813666928

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{631}}^1\times {\mathrm{971}}^1$

素因数の和:1693

約数の個数: 40

約数和(自身を含む): 1599647616

約数和(自身を除く): 785980688

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 631, 664, 971, 1262, 1328, 1942, 2524, 3884, 5048, 7768, 10096, 15536, 52373, 80593, 104746, 161186, 209492, 322372, 418984, 612701, 644744, 837968, 1225402, 1289488, 2450804, 4901608, 9803216, 50854183, 101708366, 203416732, 406833464, 813666928]

約数ペア:

[(1, 813666928), (2, 406833464), (4, 203416732), (8, 101708366), (16, 50854183), (83, 9803216), (166, 4901608), (332, 2450804), (631, 1289488), (664, 1225402), (971, 837968), (1262, 644744), (1328, 612701), (1942, 418984), (2524, 322372), (3884, 209492), (5048, 161186), (7768, 104746), (10096, 80593), (15536, 52373)]