648778848968

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{8419}}^1\times {\mathrm{33331}}^1$

素因数の和:41790

約数の個数: 48

約数和(自身を含む): 1292418301200

約数和(自身を除く): 643639452232

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 8419, 16838, 33331, 33676, 66662, 67352, 133324, 143123, 266648, 286246, 566627, 572492, 1133254, 1144984, 2266508, 2433091, 4533016, 4866182, 9632659, 9732364, 19265318, 19464728, 38530636, 77061272, 280613689, 561227378, 1122454756, 2244909512, 4770432713, 9540865426, 19081730852, 38163461704, 81097356121, 162194712242, 324389424484, 648778848968]

約数ペア:

[(1, 648778848968), (2, 324389424484), (4, 162194712242), (8, 81097356121), (17, 38163461704), (34, 19081730852), (68, 9540865426), (136, 4770432713), (289, 2244909512), (578, 1122454756), (1156, 561227378), (2312, 280613689), (8419, 77061272), (16838, 38530636), (33331, 19464728), (33676, 19265318), (66662, 9732364), (67352, 9632659), (133324, 4866182), (143123, 4533016), (266648, 2433091), (286246, 2266508), (566627, 1144984), (572492, 1133254)]