493886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:379

約数の個数: 16

約数和(自身を含む): 801360

約数和(自身を除く): 307474

約数列:

[1, 2, 19, 38, 41, 82, 317, 634, 779, 1558, 6023, 12046, 12997, 25994, 246943, 493886]

約数ペア:

[(1, 493886), (2, 246943), (19, 25994), (38, 12997), (41, 12046), (82, 6023), (317, 1558), (634, 779)]