28937390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 53809056

約数和(自身を除く): 24871666

約数列:

[1, 2, 5, 10, 41, 82, 163, 205, 326, 410, 433, 815, 866, 1630, 2165, 4330, 6683, 13366, 17753, 33415, 35506, 66830, 70579, 88765, 141158, 177530, 352895, 705790, 2893739, 5787478, 14468695, 28937390]

約数ペア:

[(1, 28937390), (2, 14468695), (5, 5787478), (10, 2893739), (41, 705790), (82, 352895), (163, 177530), (205, 141158), (326, 88765), (410, 70579), (433, 66830), (815, 35506), (866, 33415), (1630, 17753), (2165, 13366), (4330, 6683)]