645997846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{3323}}^1\times {\mathrm{7477}}^1$

素因数の和:10815

約数の個数: 16

約数和(自身を含む): 1043988624

約数和(自身を除く): 397990778

約数列:

[1, 2, 13, 26, 3323, 6646, 7477, 14954, 43199, 86398, 97201, 194402, 24846071, 49692142, 322998923, 645997846]

約数ペア:

[(1, 645997846), (2, 322998923), (13, 49692142), (26, 24846071), (3323, 194402), (6646, 97201), (7477, 86398), (14954, 43199)]