81251064

素因数分解:

$2^3\times 3^2\times {\mathrm{257}}^1\times {\mathrm{4391}}^1$

素因数の和:4660

約数の個数: 48

約数和(自身を含む): 220961520

約数和(自身を除く): 139710456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257, 514, 771, 1028, 1542, 2056, 2313, 3084, 4391, 4626, 6168, 8782, 9252, 13173, 17564, 18504, 26346, 35128, 39519, 52692, 79038, 105384, 158076, 316152, 1128487, 2256974, 3385461, 4513948, 6770922, 9027896, 10156383, 13541844, 20312766, 27083688, 40625532, 81251064]

約数ペア:

[(1, 81251064), (2, 40625532), (3, 27083688), (4, 20312766), (6, 13541844), (8, 10156383), (9, 9027896), (12, 6770922), (18, 4513948), (24, 3385461), (36, 2256974), (72, 1128487), (257, 316152), (514, 158076), (771, 105384), (1028, 79038), (1542, 52692), (2056, 39519), (2313, 35128), (3084, 26346), (4391, 18504), (4626, 17564), (6168, 13173), (8782, 9252)]