31257254

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2153}}^1$

素因数の和:2240

約数の個数: 32

約数和(自身を含む): 57692736

約数和(自身を除く): 26435482

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 2074, 2153, 4306, 7259, 14518, 15071, 30142, 36601, 73202, 131333, 256207, 262666, 512414, 919331, 1838662, 2232661, 4465322, 15628627, 31257254]

約数ペア:

[(1, 31257254), (2, 15628627), (7, 4465322), (14, 2232661), (17, 1838662), (34, 919331), (61, 512414), (119, 262666), (122, 256207), (238, 131333), (427, 73202), (854, 36601), (1037, 30142), (2074, 15071), (2153, 14518), (4306, 7259)]