71386864

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1123}}^1$

素因数の和:1297

約数の個数: 40

約数和(自身を含む): 144254160

約数和(自身を除く): 72867296

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 137, 232, 274, 464, 548, 1096, 1123, 2192, 2246, 3973, 4492, 7946, 8984, 15892, 17968, 31784, 32567, 63568, 65134, 130268, 153851, 260536, 307702, 521072, 615404, 1230808, 2461616, 4461679, 8923358, 17846716, 35693432, 71386864]

約数ペア:

[(1, 71386864), (2, 35693432), (4, 17846716), (8, 8923358), (16, 4461679), (29, 2461616), (58, 1230808), (116, 615404), (137, 521072), (232, 307702), (274, 260536), (464, 153851), (548, 130268), (1096, 65134), (1123, 63568), (2192, 32567), (2246, 31784), (3973, 17968), (4492, 15892), (7946, 8984)]