401928008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{18131}}^1$

素因数の和:18317

約数の個数: 32

約数和(自身を含む): 802884960

約数和(自身を除く): 400956952

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 163, 326, 652, 1304, 2771, 5542, 11084, 18131, 22168, 36262, 72524, 145048, 308227, 616454, 1232908, 2465816, 2955353, 5910706, 11821412, 23642824, 50241001, 100482002, 200964004, 401928008]

約数ペア:

[(1, 401928008), (2, 200964004), (4, 100482002), (8, 50241001), (17, 23642824), (34, 11821412), (68, 5910706), (136, 2955353), (163, 2465816), (326, 1232908), (652, 616454), (1304, 308227), (2771, 145048), (5542, 72524), (11084, 36262), (18131, 22168)]