261968590910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{683}}^1\times {\mathrm{5297}}^1$

素因数の和:6557

約数の個数: 64

約数和(自身を含む): 509568760512

約数和(自身を除く): 247600169602

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 557, 683, 1114, 1366, 2785, 3415, 5297, 5570, 6830, 7241, 8879, 10594, 14482, 17758, 26485, 36205, 44395, 52970, 68861, 72410, 88790, 137722, 344305, 380431, 688610, 760862, 1902155, 2950429, 3617851, 3804310, 4945603, 5900858, 7235702, 9891206, 14752145, 18089255, 24728015, 29504290, 36178510, 38355577, 47032063, 49456030, 76711154, 94064126, 191777885, 235160315, 383555770, 470320630, 2015143007, 4030286014, 10075715035, 20151430070, 26196859091, 52393718182, 130984295455, 261968590910]

約数ペア:

[(1, 261968590910), (2, 130984295455), (5, 52393718182), (10, 26196859091), (13, 20151430070), (26, 10075715035), (65, 4030286014), (130, 2015143007), (557, 470320630), (683, 383555770), (1114, 235160315), (1366, 191777885), (2785, 94064126), (3415, 76711154), (5297, 49456030), (5570, 47032063), (6830, 38355577), (7241, 36178510), (8879, 29504290), (10594, 24728015), (14482, 18089255), (17758, 14752145), (26485, 9891206), (36205, 7235702), (44395, 5900858), (52970, 4945603), (68861, 3804310), (72410, 3617851), (88790, 2950429), (137722, 1902155), (344305, 760862), (380431, 688610)]