139315984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{280879}}^1$

素因数の和:280918

約数の個数: 20

約数和(自身を含む): 278632960

約数和(自身を除く): 139316976

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 280879, 561758, 1123516, 2247032, 4494064, 8707249, 17414498, 34828996, 69657992, 139315984]

約数ペア:

[(1, 139315984), (2, 69657992), (4, 34828996), (8, 17414498), (16, 8707249), (31, 4494064), (62, 2247032), (124, 1123516), (248, 561758), (496, 280879)]