329681768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{166843}}^1$

素因数の和:166881

約数の個数: 32

約数和(自身を含む): 700744800

約数和(自身を除く): 371063032

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 166843, 333686, 667372, 1334744, 2168959, 3170017, 4337918, 6340034, 8675836, 12680068, 17351672, 25360136, 41210221, 82420442, 164840884, 329681768]

約数ペア:

[(1, 329681768), (2, 164840884), (4, 82420442), (8, 41210221), (13, 25360136), (19, 17351672), (26, 12680068), (38, 8675836), (52, 6340034), (76, 4337918), (104, 3170017), (152, 2168959), (247, 1334744), (494, 667372), (988, 333686), (1976, 166843)]