139087390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{34513}}^1$

素因数の和:34564

約数の個数: 32

約数和(自身を含む): 278320896

約数和(自身を除く): 139233506

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 34513, 69026, 172565, 345130, 448669, 897338, 1069903, 2139806, 2243345, 4486690, 5349515, 10699030, 13908739, 27817478, 69543695, 139087390]

約数ペア:

[(1, 139087390), (2, 69543695), (5, 27817478), (10, 13908739), (13, 10699030), (26, 5349515), (31, 4486690), (62, 2243345), (65, 2139806), (130, 1069903), (155, 897338), (310, 448669), (403, 345130), (806, 172565), (2015, 69026), (4030, 34513)]