401020432

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{317263}}^1$

素因数の和:317350

約数の個数: 20

約数和(自身を含む): 786814720

約数和(自身を除く): 385794288

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 317263, 634526, 1269052, 2538104, 5076208, 25063777, 50127554, 100255108, 200510216, 401020432]

約数ペア:

[(1, 401020432), (2, 200510216), (4, 100255108), (8, 50127554), (16, 25063777), (79, 5076208), (158, 2538104), (316, 1269052), (632, 634526), (1264, 317263)]