28279992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{90641}}^1$

素因数の和:90663

約数の個数: 32

約数和(自身を含む): 76139280

約数和(自身を除く): 47859288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 90641, 181282, 271923, 362564, 543846, 725128, 1087692, 1178333, 2175384, 2356666, 3534999, 4713332, 7069998, 9426664, 14139996, 28279992]

約数ペア:

[(1, 28279992), (2, 14139996), (3, 9426664), (4, 7069998), (6, 4713332), (8, 3534999), (12, 2356666), (13, 2175384), (24, 1178333), (26, 1087692), (39, 725128), (52, 543846), (78, 362564), (104, 271923), (156, 181282), (312, 90641)]