289300528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{20807}}^1$

素因数の和:20905

約数の個数: 40

約数和(自身を含む): 619246080

約数和(自身を除く): 329945552

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1738, 3476, 6952, 13904, 20807, 41614, 83228, 166456, 228877, 332912, 457754, 915508, 1643753, 1831016, 3287506, 3662032, 6575012, 13150024, 18081283, 26300048, 36162566, 72325132, 144650264, 289300528]

約数ペア:

[(1, 289300528), (2, 144650264), (4, 72325132), (8, 36162566), (11, 26300048), (16, 18081283), (22, 13150024), (44, 6575012), (79, 3662032), (88, 3287506), (158, 1831016), (176, 1643753), (316, 915508), (632, 457754), (869, 332912), (1264, 228877), (1738, 166456), (3476, 83228), (6952, 41614), (13904, 20807)]