157992196

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{647509}}^1$

素因数の和:647574

約数の個数: 12

約数和(自身を含む): 281019340

約数和(自身を除く): 123027144

約数列:

[1, 2, 4, 61, 122, 244, 647509, 1295018, 2590036, 39498049, 78996098, 157992196]

約数ペア:

[(1, 157992196), (2, 78996098), (4, 39498049), (61, 2590036), (122, 1295018), (244, 647509)]