397364638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{340793}}^1$

素因数の和:340859

約数の個数: 16

約数和(自身を含む): 662503536

約数和(自身を除く): 265138898

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 340793, 681586, 3748723, 7497446, 18062029, 36124058, 198682319, 397364638]

約数ペア:

[(1, 397364638), (2, 198682319), (11, 36124058), (22, 18062029), (53, 7497446), (106, 3748723), (583, 681586), (1166, 340793)]