131311728

素因数分解:

$2^4\times 3^2\times {\mathrm{571}}^1\times {\mathrm{1597}}^1$

素因数の和:2182

約数の個数: 60

約数和(自身を含む): 368364568

約数和(自身を除く): 237052840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 571, 1142, 1597, 1713, 2284, 3194, 3426, 4568, 4791, 5139, 6388, 6852, 9136, 9582, 10278, 12776, 13704, 14373, 19164, 20556, 25552, 27408, 28746, 38328, 41112, 57492, 76656, 82224, 114984, 229968, 911887, 1823774, 2735661, 3647548, 5471322, 7295096, 8206983, 10942644, 14590192, 16413966, 21885288, 32827932, 43770576, 65655864, 131311728]

約数ペア:

[(1, 131311728), (2, 65655864), (3, 43770576), (4, 32827932), (6, 21885288), (8, 16413966), (9, 14590192), (12, 10942644), (16, 8206983), (18, 7295096), (24, 5471322), (36, 3647548), (48, 2735661), (72, 1823774), (144, 911887), (571, 229968), (1142, 114984), (1597, 82224), (1713, 76656), (2284, 57492), (3194, 41112), (3426, 38328), (4568, 28746), (4791, 27408), (5139, 25552), (6388, 20556), (6852, 19164), (9136, 14373), (9582, 13704), (10278, 12776)]