278121424

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{24109}}^1$

素因数の和:24227

約数の個数: 40

約数和(自身を含む): 621845120

約数和(自身を除く): 343723696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 11536, 24109, 48218, 96436, 168763, 192872, 337526, 385744, 675052, 1350104, 2483227, 2700208, 4966454, 9932908, 17382589, 19865816, 34765178, 39731632, 69530356, 139060712, 278121424]

約数ペア:

[(1, 278121424), (2, 139060712), (4, 69530356), (7, 39731632), (8, 34765178), (14, 19865816), (16, 17382589), (28, 9932908), (56, 4966454), (103, 2700208), (112, 2483227), (206, 1350104), (412, 675052), (721, 385744), (824, 337526), (1442, 192872), (1648, 168763), (2884, 96436), (5768, 48218), (11536, 24109)]