478996986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{20959}}^1$

素因数の和:21270

約数の個数: 32

約数和(自身を含む): 1035256320

約数和(自身を除く): 556259334

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 293, 586, 879, 1758, 3809, 7618, 11427, 20959, 22854, 41918, 62877, 125754, 272467, 544934, 817401, 1634802, 6140987, 12281974, 18422961, 36845922, 79832831, 159665662, 239498493, 478996986]

約数ペア:

[(1, 478996986), (2, 239498493), (3, 159665662), (6, 79832831), (13, 36845922), (26, 18422961), (39, 12281974), (78, 6140987), (293, 1634802), (586, 817401), (879, 544934), (1758, 272467), (3809, 125754), (7618, 62877), (11427, 41918), (20959, 22854)]