81357536

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{877}}^1$

素因数の和:1123

約数の個数: 48

約数和(自身を含む): 173464704

約数和(自身を除く): 92107168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 223, 416, 446, 877, 892, 1754, 1784, 2899, 3508, 3568, 5798, 7016, 7136, 11401, 11596, 14032, 22802, 23192, 28064, 45604, 46384, 91208, 92768, 182416, 195571, 364832, 391142, 782284, 1564568, 2542423, 3129136, 5084846, 6258272, 10169692, 20339384, 40678768, 81357536]

約数ペア:

[(1, 81357536), (2, 40678768), (4, 20339384), (8, 10169692), (13, 6258272), (16, 5084846), (26, 3129136), (32, 2542423), (52, 1564568), (104, 782284), (208, 391142), (223, 364832), (416, 195571), (446, 182416), (877, 92768), (892, 91208), (1754, 46384), (1784, 45604), (2899, 28064), (3508, 23192), (3568, 22802), (5798, 14032), (7016, 11596), (7136, 11401)]