28567864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8861}}^1$

素因数の和:8911

約数の個数: 32

約数和(自身を含む): 59552640

約数和(自身を除く): 30984776

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 8861, 17722, 35444, 70888, 115193, 230386, 274691, 460772, 549382, 921544, 1098764, 2197528, 3570983, 7141966, 14283932, 28567864]

約数ペア:

[(1, 28567864), (2, 14283932), (4, 7141966), (8, 3570983), (13, 2197528), (26, 1098764), (31, 921544), (52, 549382), (62, 460772), (104, 274691), (124, 230386), (248, 115193), (403, 70888), (806, 35444), (1612, 17722), (3224, 8861)]