397996846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{325693}}^1$

素因数の和:325755

約数の個数: 16

約数和(自身を含む): 656599104

約数和(自身を除く): 258602258

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 325693, 651386, 4234009, 8468018, 15307571, 30615142, 198998423, 397996846]

約数ペア:

[(1, 397996846), (2, 198998423), (13, 30615142), (26, 15307571), (47, 8468018), (94, 4234009), (611, 651386), (1222, 325693)]