670397

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 16

約数和(自身を含む): 846720

約数和(自身を除く): 176323

約数列:

[1, 7, 13, 53, 91, 139, 371, 689, 973, 1807, 4823, 7367, 12649, 51569, 95771, 670397]

約数ペア:

[(1, 670397), (7, 95771), (13, 51569), (53, 12649), (91, 7367), (139, 4823), (371, 1807), (689, 973)]