31894278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 74027520

約数和(自身を除く): 42133242

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 67, 78, 102, 134, 201, 221, 359, 402, 442, 663, 718, 871, 1077, 1139, 1326, 1742, 2154, 2278, 2613, 3417, 4667, 5226, 6103, 6834, 9334, 12206, 14001, 14807, 18309, 24053, 28002, 29614, 36618, 44421, 48106, 72159, 79339, 88842, 144318, 158678, 238017, 312689, 408901, 476034, 625378, 817802, 938067, 1226703, 1876134, 2453406, 5315713, 10631426, 15947139, 31894278]

約数ペア:

[(1, 31894278), (2, 15947139), (3, 10631426), (6, 5315713), (13, 2453406), (17, 1876134), (26, 1226703), (34, 938067), (39, 817802), (51, 625378), (67, 476034), (78, 408901), (102, 312689), (134, 238017), (201, 158678), (221, 144318), (359, 88842), (402, 79339), (442, 72159), (663, 48106), (718, 44421), (871, 36618), (1077, 29614), (1139, 28002), (1326, 24053), (1742, 18309), (2154, 14807), (2278, 14001), (2613, 12206), (3417, 9334), (4667, 6834), (5226, 6103)]