81266984

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{863}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 155520000

約数和(自身を除く): 74253016

約数列:

[1, 2, 4, 8, 79, 149, 158, 298, 316, 596, 632, 863, 1192, 1726, 3452, 6904, 11771, 23542, 47084, 68177, 94168, 128587, 136354, 257174, 272708, 514348, 545416, 1028696, 10158373, 20316746, 40633492, 81266984]

約数ペア:

[(1, 81266984), (2, 40633492), (4, 20316746), (8, 10158373), (79, 1028696), (149, 545416), (158, 514348), (298, 272708), (316, 257174), (596, 136354), (632, 128587), (863, 94168), (1192, 68177), (1726, 47084), (3452, 23542), (6904, 11771)]