401038872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1285381}}^1$

素因数の和:1285403

約数の個数: 32

約数和(自身を含む): 1079720880

約数和(自身を除く): 678682008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1285381, 2570762, 3856143, 5141524, 7712286, 10283048, 15424572, 16709953, 30849144, 33419906, 50129859, 66839812, 100259718, 133679624, 200519436, 401038872]

約数ペア:

[(1, 401038872), (2, 200519436), (3, 133679624), (4, 100259718), (6, 66839812), (8, 50129859), (12, 33419906), (13, 30849144), (24, 16709953), (26, 15424572), (39, 10283048), (52, 7712286), (78, 5141524), (104, 3856143), (156, 2570762), (312, 1285381)]