400807992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1284641}}^1$

素因数の和:1284663

約数の個数: 32

約数和(自身を含む): 1079099280

約数和(自身を除く): 678291288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1284641, 2569282, 3853923, 5138564, 7707846, 10277128, 15415692, 16700333, 30831384, 33400666, 50100999, 66801332, 100201998, 133602664, 200403996, 400807992]

約数ペア:

[(1, 400807992), (2, 200403996), (3, 133602664), (4, 100201998), (6, 66801332), (8, 50100999), (12, 33400666), (13, 30831384), (24, 16700333), (26, 15415692), (39, 10277128), (52, 7707846), (78, 5138564), (104, 3853923), (156, 2569282), (312, 1284641)]