129407330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 261854208

約数和(自身を除く): 132446878

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 163, 197, 310, 326, 394, 403, 806, 815, 985, 1630, 1970, 2015, 2119, 2561, 4030, 4238, 5053, 5122, 6107, 10106, 10595, 12214, 12805, 21190, 25265, 25610, 30535, 32111, 50530, 61070, 64222, 65689, 79391, 131378, 158782, 160555, 321110, 328445, 396955, 417443, 656890, 793910, 834886, 995441, 1990882, 2087215, 4174430, 4977205, 9954410, 12940733, 25881466, 64703665, 129407330]

約数ペア:

[(1, 129407330), (2, 64703665), (5, 25881466), (10, 12940733), (13, 9954410), (26, 4977205), (31, 4174430), (62, 2087215), (65, 1990882), (130, 995441), (155, 834886), (163, 793910), (197, 656890), (310, 417443), (326, 396955), (394, 328445), (403, 321110), (806, 160555), (815, 158782), (985, 131378), (1630, 79391), (1970, 65689), (2015, 64222), (2119, 61070), (2561, 50530), (4030, 32111), (4238, 30535), (5053, 25610), (5122, 25265), (6107, 21190), (10106, 12805), (10595, 12214)]