891110412

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:652

約数の個数: 144

約数和(自身を含む): 2471938560

約数和(自身を除く): 1580828148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 47, 53, 57, 76, 94, 106, 114, 141, 159, 171, 188, 212, 228, 282, 318, 342, 423, 477, 523, 564, 636, 684, 846, 893, 954, 1007, 1046, 1569, 1692, 1786, 1908, 2014, 2092, 2491, 2679, 3021, 3138, 3572, 4028, 4707, 4982, 5358, 6042, 6276, 7473, 8037, 9063, 9414, 9937, 9964, 10716, 12084, 14946, 16074, 18126, 18828, 19874, 22419, 24581, 27719, 29811, 29892, 32148, 36252, 39748, 44838, 47329, 49162, 55438, 59622, 73743, 83157, 89433, 89676, 94658, 98324, 110876, 119244, 141987, 147486, 166314, 178866, 189316, 221229, 249471, 283974, 294972, 332628, 357732, 425961, 442458, 467039, 498942, 526661, 567948, 851922, 884916, 934078, 997884, 1053322, 1302793, 1401117, 1579983, 1703844, 1868156, 2106644, 2605586, 2802234, 3159966, 3908379, 4203351, 4739949, 5211172, 5604468, 6319932, 7816758, 8406702, 9479898, 11725137, 15633516, 16813404, 18959796, 23450274, 24753067, 46900548, 49506134, 74259201, 99012268, 148518402, 222777603, 297036804, 445555206, 891110412]

約数ペア:

[(1, 891110412), (2, 445555206), (3, 297036804), (4, 222777603), (6, 148518402), (9, 99012268), (12, 74259201), (18, 49506134), (19, 46900548), (36, 24753067), (38, 23450274), (47, 18959796), (53, 16813404), (57, 15633516), (76, 11725137), (94, 9479898), (106, 8406702), (114, 7816758), (141, 6319932), (159, 5604468), (171, 5211172), (188, 4739949), (212, 4203351), (228, 3908379), (282, 3159966), (318, 2802234), (342, 2605586), (423, 2106644), (477, 1868156), (523, 1703844), (564, 1579983), (636, 1401117), (684, 1302793), (846, 1053322), (893, 997884), (954, 934078), (1007, 884916), (1046, 851922), (1569, 567948), (1692, 526661), (1786, 498942), (1908, 467039), (2014, 442458), (2092, 425961), (2491, 357732), (2679, 332628), (3021, 294972), (3138, 283974), (3572, 249471), (4028, 221229), (4707, 189316), (4982, 178866), (5358, 166314), (6042, 147486), (6276, 141987), (7473, 119244), (8037, 110876), (9063, 98324), (9414, 94658), (9937, 89676), (9964, 89433), (10716, 83157), (12084, 73743), (14946, 59622), (16074, 55438), (18126, 49162), (18828, 47329), (19874, 44838), (22419, 39748), (24581, 36252), (27719, 32148), (29811, 29892)]