81038464

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1629

約数の個数: 64

約数和(自身を含む): 179585280

約数和(自身を除く): 98546816

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1571, 1612, 1664, 1984, 3142, 3224, 3968, 6284, 6448, 12568, 12896, 20423, 25136, 25792, 40846, 48701, 50272, 51584, 81692, 97402, 100544, 163384, 194804, 201088, 326768, 389608, 633113, 653536, 779216, 1266226, 1307072, 1558432, 2532452, 2614144, 3116864, 5064904, 6233728, 10129808, 20259616, 40519232, 81038464]

約数ペア:

[(1, 81038464), (2, 40519232), (4, 20259616), (8, 10129808), (13, 6233728), (16, 5064904), (26, 3116864), (31, 2614144), (32, 2532452), (52, 1558432), (62, 1307072), (64, 1266226), (104, 779216), (124, 653536), (128, 633113), (208, 389608), (248, 326768), (403, 201088), (416, 194804), (496, 163384), (806, 100544), (832, 97402), (992, 81692), (1571, 51584), (1612, 50272), (1664, 48701), (1984, 40846), (3142, 25792), (3224, 25136), (3968, 20423), (6284, 12896), (6448, 12568)]