157212715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{32117}}^1$

素因数の和:32222

約数の個数: 16

約数和(自身を含む): 208124640

約数和(自身を除く): 50911925

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 32117, 160585, 353287, 1766435, 2858413, 14292065, 31442543, 157212715]

約数ペア:

[(1, 157212715), (5, 31442543), (11, 14292065), (55, 2858413), (89, 1766435), (445, 353287), (979, 160585), (4895, 32117)]