81963574

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{547}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 157429440

約数和(自身を除く): 75465866

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 139, 154, 278, 539, 547, 973, 1078, 1094, 1529, 1946, 3058, 3829, 6017, 6811, 7658, 10703, 12034, 13622, 21406, 26803, 42119, 53606, 74921, 76033, 84238, 149842, 152066, 294833, 532231, 589666, 836363, 1064462, 1672726, 3725617, 5854541, 7451234, 11709082, 40981787, 81963574]

約数ペア:

[(1, 81963574), (2, 40981787), (7, 11709082), (11, 7451234), (14, 5854541), (22, 3725617), (49, 1672726), (77, 1064462), (98, 836363), (139, 589666), (154, 532231), (278, 294833), (539, 152066), (547, 149842), (973, 84238), (1078, 76033), (1094, 74921), (1529, 53606), (1946, 42119), (3058, 26803), (3829, 21406), (6017, 13622), (6811, 12034), (7658, 10703)]