278327018

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1\times {\mathrm{5081}}^1$

素因数の和:5593

約数の個数: 16

約数和(自身を含む): 425363400

約数和(自身を除く): 147036382

約数列:

[1, 2, 61, 122, 449, 898, 5081, 10162, 27389, 54778, 309941, 619882, 2281369, 4562738, 139163509, 278327018]

約数ペア:

[(1, 278327018), (2, 139163509), (61, 4562738), (122, 2281369), (449, 619882), (898, 309941), (5081, 54778), (10162, 27389)]