280126

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 559872

約数和(自身を除く): 279746

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 107, 119, 154, 187, 214, 238, 374, 749, 1177, 1309, 1498, 1819, 2354, 2618, 3638, 8239, 12733, 16478, 20009, 25466, 40018, 140063, 280126]

約数ペア:

[(1, 280126), (2, 140063), (7, 40018), (11, 25466), (14, 20009), (17, 16478), (22, 12733), (34, 8239), (77, 3638), (107, 2618), (119, 2354), (154, 1819), (187, 1498), (214, 1309), (238, 1177), (374, 749)]