9999608

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 19701120

約数和(自身を除く): 9701512

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 661, 1322, 1891, 2644, 3782, 5288, 7564, 15128, 20491, 40321, 40982, 80642, 81964, 161284, 163928, 322568, 1249951, 2499902, 4999804, 9999608]

約数ペア:

[(1, 9999608), (2, 4999804), (4, 2499902), (8, 1249951), (31, 322568), (61, 163928), (62, 161284), (122, 81964), (124, 80642), (244, 40982), (248, 40321), (488, 20491), (661, 15128), (1322, 7564), (1891, 5288), (2644, 3782)]