81626545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 134701056

約数和(自身を除く): 53074511

約数列:

[1, 5, 7, 11, 13, 35, 47, 55, 65, 77, 91, 143, 235, 329, 347, 385, 455, 517, 611, 715, 1001, 1645, 1735, 2429, 2585, 3055, 3619, 3817, 4277, 4511, 5005, 6721, 12145, 16309, 18095, 19085, 21385, 22555, 26719, 31577, 33605, 47047, 49621, 81545, 114163, 133595, 157885, 179399, 212017, 235235, 248105, 347347, 570815, 896995, 1060085, 1255793, 1484119, 1736735, 2332187, 6278965, 7420595, 11660935, 16325309, 81626545]

約数ペア:

[(1, 81626545), (5, 16325309), (7, 11660935), (11, 7420595), (13, 6278965), (35, 2332187), (47, 1736735), (55, 1484119), (65, 1255793), (77, 1060085), (91, 896995), (143, 570815), (235, 347347), (329, 248105), (347, 235235), (385, 212017), (455, 179399), (517, 157885), (611, 133595), (715, 114163), (1001, 81545), (1645, 49621), (1735, 47047), (2429, 33605), (2585, 31577), (3055, 26719), (3619, 22555), (3817, 21385), (4277, 19085), (4511, 18095), (5005, 16309), (6721, 12145)]