312984568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{158393}}^1$

素因数の和:158431

約数の個数: 32

約数和(自身を含む): 665254800

約数和(自身を除く): 352270232

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 158393, 316786, 633572, 1267144, 2059109, 3009467, 4118218, 6018934, 8236436, 12037868, 16472872, 24075736, 39123071, 78246142, 156492284, 312984568]

約数ペア:

[(1, 312984568), (2, 156492284), (4, 78246142), (8, 39123071), (13, 24075736), (19, 16472872), (26, 12037868), (38, 8236436), (52, 6018934), (76, 4118218), (104, 3009467), (152, 2059109), (247, 1267144), (494, 633572), (988, 316786), (1976, 158393)]