81981328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35831}}^1$

素因数の和:35863

約数の個数: 40

約数和(自身を含む): 186613056

約数和(自身を除く): 104631728

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 35831, 71662, 143324, 286648, 394141, 465803, 573296, 788282, 931606, 1576564, 1863212, 3153128, 3726424, 5123833, 6306256, 7452848, 10247666, 20495332, 40990664, 81981328]

約数ペア:

[(1, 81981328), (2, 40990664), (4, 20495332), (8, 10247666), (11, 7452848), (13, 6306256), (16, 5123833), (22, 3726424), (26, 3153128), (44, 1863212), (52, 1576564), (88, 931606), (104, 788282), (143, 573296), (176, 465803), (208, 394141), (286, 286648), (572, 143324), (1144, 71662), (2288, 35831)]