217210664840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13474607}}^1$

素因数の和:13474662

約数の個数: 64

約数和(自身を含む): 543296194560

約数和(自身を除く): 326085529720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 13474607, 26949214, 53898428, 67373035, 107796856, 134746070, 175169891, 269492140, 350339782, 417712817, 538984280, 700679564, 835425634, 875849455, 1401359128, 1670851268, 1751698910, 2088564085, 3341702536, 3503397820, 4177128170, 5430266621, 7006795640, 8354256340, 10860533242, 16708512680, 21721066484, 27151333105, 43442132968, 54302666210, 108605332420, 217210664840]

約数ペア:

[(1, 217210664840), (2, 108605332420), (4, 54302666210), (5, 43442132968), (8, 27151333105), (10, 21721066484), (13, 16708512680), (20, 10860533242), (26, 8354256340), (31, 7006795640), (40, 5430266621), (52, 4177128170), (62, 3503397820), (65, 3341702536), (104, 2088564085), (124, 1751698910), (130, 1670851268), (155, 1401359128), (248, 875849455), (260, 835425634), (310, 700679564), (403, 538984280), (520, 417712817), (620, 350339782), (806, 269492140), (1240, 175169891), (1612, 134746070), (2015, 107796856), (3224, 67373035), (4030, 53898428), (8060, 26949214), (16120, 13474607)]