421838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:691

約数の個数: 16

約数和(自身を含む): 706320

約数和(自身を除く): 284482

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 653, 1306, 11101, 12407, 22202, 24814, 210919, 421838]

約数ペア:

[(1, 421838), (2, 210919), (17, 24814), (19, 22202), (34, 12407), (38, 11101), (323, 1306), (646, 653)]