139181072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{280607}}^1$

素因数の和:280646

約数の個数: 20

約数和(自身を含む): 278363136

約数和(自身を除く): 139182064

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 280607, 561214, 1122428, 2244856, 4489712, 8698817, 17397634, 34795268, 69590536, 139181072]

約数ペア:

[(1, 139181072), (2, 69590536), (4, 34795268), (8, 17397634), (16, 8698817), (31, 4489712), (62, 2244856), (124, 1122428), (248, 561214), (496, 280607)]