661784058

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 144

約数和(自身を含む): 1677252096

約数和(自身を除く): 1015468038

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 67, 78, 102, 117, 134, 153, 169, 191, 201, 221, 234, 306, 338, 382, 402, 442, 507, 573, 603, 663, 871, 1014, 1139, 1146, 1206, 1326, 1521, 1719, 1742, 1989, 2278, 2483, 2613, 2873, 3042, 3247, 3417, 3438, 3978, 4966, 5226, 5746, 6494, 6834, 7449, 7839, 8619, 9741, 10251, 11323, 12797, 14807, 14898, 15678, 17238, 19482, 20502, 22347, 22646, 25594, 25857, 29223, 29614, 32279, 33969, 38391, 42211, 44421, 44694, 51714, 58446, 64558, 67938, 76782, 84422, 88842, 96837, 101907, 115173, 126633, 133263, 166361, 192491, 193674, 203814, 217549, 230346, 253266, 266526, 290511, 332722, 379899, 384982, 435098, 499083, 548743, 577473, 581022, 652647, 759798, 998166, 1097486, 1154946, 1305294, 1497249, 1646229, 1732419, 1957941, 2162693, 2828137, 2994498, 3292458, 3464838, 3915882, 4325386, 4938687, 5656274, 6488079, 8484411, 9877374, 12976158, 16968822, 19464237, 25453233, 36765781, 38928474, 50906466, 73531562, 110297343, 220594686, 330892029, 661784058]

約数ペア:

[(1, 661784058), (2, 330892029), (3, 220594686), (6, 110297343), (9, 73531562), (13, 50906466), (17, 38928474), (18, 36765781), (26, 25453233), (34, 19464237), (39, 16968822), (51, 12976158), (67, 9877374), (78, 8484411), (102, 6488079), (117, 5656274), (134, 4938687), (153, 4325386), (169, 3915882), (191, 3464838), (201, 3292458), (221, 2994498), (234, 2828137), (306, 2162693), (338, 1957941), (382, 1732419), (402, 1646229), (442, 1497249), (507, 1305294), (573, 1154946), (603, 1097486), (663, 998166), (871, 759798), (1014, 652647), (1139, 581022), (1146, 577473), (1206, 548743), (1326, 499083), (1521, 435098), (1719, 384982), (1742, 379899), (1989, 332722), (2278, 290511), (2483, 266526), (2613, 253266), (2873, 230346), (3042, 217549), (3247, 203814), (3417, 193674), (3438, 192491), (3978, 166361), (4966, 133263), (5226, 126633), (5746, 115173), (6494, 101907), (6834, 96837), (7449, 88842), (7839, 84422), (8619, 76782), (9741, 67938), (10251, 64558), (11323, 58446), (12797, 51714), (14807, 44694), (14898, 44421), (15678, 42211), (17238, 38391), (19482, 33969), (20502, 32279), (22347, 29614), (22646, 29223), (25594, 25857)]