840466

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:198

約数の個数: 24

約数和(自身を含む): 1455552

約数和(自身を除く): 615086

約数列:

[1, 2, 11, 22, 23, 46, 121, 151, 242, 253, 302, 506, 1661, 2783, 3322, 3473, 5566, 6946, 18271, 36542, 38203, 76406, 420233, 840466]

約数ペア:

[(1, 840466), (2, 420233), (11, 76406), (22, 38203), (23, 36542), (46, 18271), (121, 6946), (151, 5566), (242, 3473), (253, 3322), (302, 2783), (506, 1661)]