208216415984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5527}}^1\times {\mathrm{123923}}^1$

素因数の和:129477

約数の個数: 40

約数和(自身を含む): 424732160640

約数和(自身を除く): 216515744656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5527, 11054, 22108, 44216, 88432, 105013, 123923, 210026, 247846, 420052, 495692, 840104, 991384, 1680208, 1982768, 2354537, 4709074, 9418148, 18836296, 37672592, 684922421, 1369844842, 2739689684, 5479379368, 10958758736, 13013525999, 26027051998, 52054103996, 104108207992, 208216415984]

約数ペア:

[(1, 208216415984), (2, 104108207992), (4, 52054103996), (8, 26027051998), (16, 13013525999), (19, 10958758736), (38, 5479379368), (76, 2739689684), (152, 1369844842), (304, 684922421), (5527, 37672592), (11054, 18836296), (22108, 9418148), (44216, 4709074), (88432, 2354537), (105013, 1982768), (123923, 1680208), (210026, 991384), (247846, 840104), (420052, 495692)]