401113648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 859070016

約数和(自身を除く): 457956368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 157, 173, 208, 284, 314, 346, 568, 628, 692, 923, 1136, 1256, 1384, 1846, 2041, 2249, 2512, 2768, 3692, 4082, 4498, 7384, 8164, 8996, 11147, 12283, 14768, 16328, 17992, 22294, 24566, 27161, 32656, 35984, 44588, 49132, 54322, 89176, 98264, 108644, 144911, 159679, 178352, 196528, 217288, 289822, 319358, 353093, 434576, 579644, 638716, 706186, 1159288, 1277432, 1412372, 1928431, 2318576, 2554864, 2824744, 3856862, 5649488, 7713724, 15427448, 25069603, 30854896, 50139206, 100278412, 200556824, 401113648]

約数ペア:

[(1, 401113648), (2, 200556824), (4, 100278412), (8, 50139206), (13, 30854896), (16, 25069603), (26, 15427448), (52, 7713724), (71, 5649488), (104, 3856862), (142, 2824744), (157, 2554864), (173, 2318576), (208, 1928431), (284, 1412372), (314, 1277432), (346, 1159288), (568, 706186), (628, 638716), (692, 579644), (923, 434576), (1136, 353093), (1256, 319358), (1384, 289822), (1846, 217288), (2041, 196528), (2249, 178352), (2512, 159679), (2768, 144911), (3692, 108644), (4082, 98264), (4498, 89176), (7384, 54322), (8164, 49132), (8996, 44588), (11147, 35984), (12283, 32656), (14768, 27161), (16328, 24566), (17992, 22294)]