398242033

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{617}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 503101440

約数和(自身を除く): 104859407

約数列:

[1, 7, 19, 23, 133, 161, 211, 437, 617, 1477, 3059, 4009, 4319, 4853, 11723, 14191, 28063, 33971, 82061, 92207, 99337, 130187, 269629, 645449, 911309, 1887403, 2473553, 2994301, 17314871, 20960107, 56891719, 398242033]

約数ペア:

[(1, 398242033), (7, 56891719), (19, 20960107), (23, 17314871), (133, 2994301), (161, 2473553), (211, 1887403), (437, 911309), (617, 645449), (1477, 269629), (3059, 130187), (4009, 99337), (4319, 92207), (4853, 82061), (11723, 33971), (14191, 28063)]