858199420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3300767}}^1$

素因数の和:3300789

約数の個数: 24

約数和(自身を含む): 1940851584

約数和(自身を除く): 1082652164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3300767, 6601534, 13203068, 16503835, 33007670, 42909971, 66015340, 85819942, 171639884, 214549855, 429099710, 858199420]

約数ペア:

[(1, 858199420), (2, 429099710), (4, 214549855), (5, 171639884), (10, 85819942), (13, 66015340), (20, 42909971), (26, 33007670), (52, 16503835), (65, 13203068), (130, 6601534), (260, 3300767)]