91210990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1741}}^1$

素因数の和:1805

約数の個数: 48

約数和(自身を含む): 183620736

約数和(自身を除く): 92409746

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 1741, 2015, 3482, 4030, 5239, 8705, 10478, 17410, 22633, 26195, 45266, 52390, 53971, 107942, 113165, 226330, 269855, 294229, 539710, 588458, 701623, 1403246, 1471145, 2942290, 3508115, 7016230, 9121099, 18242198, 45605495, 91210990]

約数ペア:

[(1, 91210990), (2, 45605495), (5, 18242198), (10, 9121099), (13, 7016230), (26, 3508115), (31, 2942290), (62, 1471145), (65, 1403246), (130, 701623), (155, 588458), (169, 539710), (310, 294229), (338, 269855), (403, 226330), (806, 113165), (845, 107942), (1690, 53971), (1741, 52390), (2015, 45266), (3482, 26195), (4030, 22633), (5239, 17410), (8705, 10478)]