81014792

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 164085360

約数和(自身を除く): 83070568

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 289, 523, 536, 578, 1046, 1139, 1156, 2092, 2278, 2312, 4184, 4556, 8891, 9112, 17782, 19363, 35041, 35564, 38726, 70082, 71128, 77452, 140164, 151147, 154904, 280328, 302294, 595697, 604588, 1191394, 1209176, 2382788, 4765576, 10126849, 20253698, 40507396, 81014792]

約数ペア:

[(1, 81014792), (2, 40507396), (4, 20253698), (8, 10126849), (17, 4765576), (34, 2382788), (67, 1209176), (68, 1191394), (134, 604588), (136, 595697), (268, 302294), (289, 280328), (523, 154904), (536, 151147), (578, 140164), (1046, 77452), (1139, 71128), (1156, 70082), (2092, 38726), (2278, 35564), (2312, 35041), (4184, 19363), (4556, 17782), (8891, 9112)]