639211078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1263263}}^1$

素因数の和:1263299

約数の個数: 16

約数和(自身を含む): 1091460096

約数和(自身を除く): 452249018

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 1263263, 2526526, 13895893, 27791786, 29055049, 58110098, 319605539, 639211078]

約数ペア:

[(1, 639211078), (2, 319605539), (11, 58110098), (22, 29055049), (23, 27791786), (46, 13895893), (253, 2526526), (506, 1263263)]