68656248836

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{256031}}^1$

素因数の和:256260

約数の個数: 48

約数和(自身を含む): 140453010432

約数和(自身を除く): 71796761596

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 157, 244, 314, 427, 628, 854, 1099, 1708, 2198, 4396, 9577, 19154, 38308, 67039, 134078, 256031, 268156, 512062, 1024124, 1792217, 3584434, 7168868, 15617891, 31235782, 40196867, 62471564, 80393734, 109325237, 160787468, 218650474, 281378069, 437300948, 562756138, 1125512276, 2452008887, 4904017774, 9808035548, 17164062209, 34328124418, 68656248836]

約数ペア:

[(1, 68656248836), (2, 34328124418), (4, 17164062209), (7, 9808035548), (14, 4904017774), (28, 2452008887), (61, 1125512276), (122, 562756138), (157, 437300948), (244, 281378069), (314, 218650474), (427, 160787468), (628, 109325237), (854, 80393734), (1099, 62471564), (1708, 40196867), (2198, 31235782), (4396, 15617891), (9577, 7168868), (19154, 3584434), (38308, 1792217), (67039, 1024124), (134078, 512062), (256031, 268156)]