81067688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{1297}}^1$

素因数の和:1917

約数の個数: 32

約数和(自身を含む): 164093160

約数和(自身を除く): 83025472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 601, 1202, 1297, 2404, 2594, 4808, 5188, 7813, 10376, 15626, 16861, 31252, 33722, 62504, 67444, 134888, 779497, 1558994, 3117988, 6235976, 10133461, 20266922, 40533844, 81067688]

約数ペア:

[(1, 81067688), (2, 40533844), (4, 20266922), (8, 10133461), (13, 6235976), (26, 3117988), (52, 1558994), (104, 779497), (601, 134888), (1202, 67444), (1297, 62504), (2404, 33722), (2594, 31252), (4808, 16861), (5188, 15626), (7813, 10376)]