249756260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{960601}}^1$

素因数の和:960623

約数の個数: 24

約数和(自身を含む): 564833976

約数和(自身を除く): 315077716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 960601, 1921202, 3842404, 4803005, 9606010, 12487813, 19212020, 24975626, 49951252, 62439065, 124878130, 249756260]

約数ペア:

[(1, 249756260), (2, 124878130), (4, 62439065), (5, 49951252), (10, 24975626), (13, 19212020), (20, 12487813), (26, 9606010), (52, 4803005), (65, 3842404), (130, 1921202), (260, 960601)]