28003456

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{16829}}^1$

素因数の和:16856

約数の個数: 32

約数和(自身を含む): 60083100

約数和(自身を除く): 32079644

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 16829, 33658, 67316, 134632, 218777, 269264, 437554, 538528, 875108, 1077056, 1750216, 2154112, 3500432, 7000864, 14001728, 28003456]

約数ペア:

[(1, 28003456), (2, 14001728), (4, 7000864), (8, 3500432), (13, 2154112), (16, 1750216), (26, 1077056), (32, 875108), (52, 538528), (64, 437554), (104, 269264), (128, 218777), (208, 134632), (416, 67316), (832, 33658), (1664, 16829)]