81891108

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 250629120

約数和(自身を除く): 168738012

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 47, 51, 52, 54, 68, 73, 78, 94, 102, 108, 117, 141, 146, 153, 156, 188, 204, 219, 221, 234, 282, 292, 306, 351, 423, 438, 442, 459, 468, 564, 611, 612, 657, 663, 702, 799, 846, 876, 884, 918, 949, 1222, 1241, 1269, 1314, 1326, 1404, 1598, 1692, 1833, 1836, 1898, 1971, 1989, 2397, 2444, 2482, 2538, 2628, 2652, 2847, 3196, 3431, 3666, 3723, 3796, 3942, 3978, 4794, 4964, 5076, 5499, 5694, 5967, 6862, 7191, 7332, 7446, 7884, 7956, 8541, 9588, 10293, 10387, 10998, 11169, 11388, 11934, 13724, 14382, 14892, 16133, 16497, 17082, 20586, 20774, 21573, 21996, 22338, 23868, 25623, 28764, 30879, 31161, 32266, 32994, 33507, 34164, 41172, 41548, 43146, 44603, 44676, 48399, 51246, 58327, 61758, 62322, 64532, 65988, 67014, 86292, 89206, 92637, 93483, 96798, 102492, 116654, 123516, 124644, 133809, 134028, 145197, 174981, 178412, 185274, 186966, 193596, 233308, 267618, 280449, 290394, 349962, 370548, 373932, 401427, 435591, 524943, 535236, 560898, 580788, 699924, 758251, 802854, 871182, 1049886, 1121796, 1204281, 1516502, 1574829, 1605708, 1742364, 2099772, 2274753, 2408562, 3033004, 3149658, 4549506, 4817124, 6299316, 6824259, 9099012, 13648518, 20472777, 27297036, 40945554, 81891108]

約数ペア:

[(1, 81891108), (2, 40945554), (3, 27297036), (4, 20472777), (6, 13648518), (9, 9099012), (12, 6824259), (13, 6299316), (17, 4817124), (18, 4549506), (26, 3149658), (27, 3033004), (34, 2408562), (36, 2274753), (39, 2099772), (47, 1742364), (51, 1605708), (52, 1574829), (54, 1516502), (68, 1204281), (73, 1121796), (78, 1049886), (94, 871182), (102, 802854), (108, 758251), (117, 699924), (141, 580788), (146, 560898), (153, 535236), (156, 524943), (188, 435591), (204, 401427), (219, 373932), (221, 370548), (234, 349962), (282, 290394), (292, 280449), (306, 267618), (351, 233308), (423, 193596), (438, 186966), (442, 185274), (459, 178412), (468, 174981), (564, 145197), (611, 134028), (612, 133809), (657, 124644), (663, 123516), (702, 116654), (799, 102492), (846, 96798), (876, 93483), (884, 92637), (918, 89206), (949, 86292), (1222, 67014), (1241, 65988), (1269, 64532), (1314, 62322), (1326, 61758), (1404, 58327), (1598, 51246), (1692, 48399), (1833, 44676), (1836, 44603), (1898, 43146), (1971, 41548), (1989, 41172), (2397, 34164), (2444, 33507), (2482, 32994), (2538, 32266), (2628, 31161), (2652, 30879), (2847, 28764), (3196, 25623), (3431, 23868), (3666, 22338), (3723, 21996), (3796, 21573), (3942, 20774), (3978, 20586), (4794, 17082), (4964, 16497), (5076, 16133), (5499, 14892), (5694, 14382), (5967, 13724), (6862, 11934), (7191, 11388), (7332, 11169), (7446, 10998), (7884, 10387), (7956, 10293), (8541, 9588)]