220173128

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{26387}}^1$

素因数の和:26549

約数の個数: 32

約数和(自身を含む): 474984000

約数和(自身を除く): 254810872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 4172, 8344, 26387, 52774, 105548, 184709, 211096, 369418, 738836, 1477672, 3931663, 7863326, 15726652, 27521641, 31453304, 55043282, 110086564, 220173128]

約数ペア:

[(1, 220173128), (2, 110086564), (4, 55043282), (7, 31453304), (8, 27521641), (14, 15726652), (28, 7863326), (56, 3931663), (149, 1477672), (298, 738836), (596, 369418), (1043, 211096), (1192, 184709), (2086, 105548), (4172, 52774), (8344, 26387)]