256604312

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{2857}}^1$

素因数の和:3075

約数の個数: 32

約数和(自身を含む): 490432800

約数和(自身を除く): 233828488

約数列:

[1, 2, 4, 8, 103, 109, 206, 218, 412, 436, 824, 872, 2857, 5714, 11227, 11428, 22454, 22856, 44908, 89816, 294271, 311413, 588542, 622826, 1177084, 1245652, 2354168, 2491304, 32075539, 64151078, 128302156, 256604312]

約数ペア:

[(1, 256604312), (2, 128302156), (4, 64151078), (8, 32075539), (103, 2491304), (109, 2354168), (206, 1245652), (218, 1177084), (412, 622826), (436, 588542), (824, 311413), (872, 294271), (2857, 89816), (5714, 44908), (11227, 22856), (11428, 22454)]