81711864

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87299}}^1$

素因数の和:87324

約数の個数: 48

約数和(自身を含む): 238329000

約数和(自身を除く): 156617136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 87299, 174598, 261897, 349196, 523794, 698392, 785691, 1047588, 1134887, 1571382, 2095176, 2269774, 3142764, 3404661, 4539548, 6285528, 6809322, 9079096, 10213983, 13618644, 20427966, 27237288, 40855932, 81711864]

約数ペア:

[(1, 81711864), (2, 40855932), (3, 27237288), (4, 20427966), (6, 13618644), (8, 10213983), (9, 9079096), (12, 6809322), (13, 6285528), (18, 4539548), (24, 3404661), (26, 3142764), (36, 2269774), (39, 2095176), (52, 1571382), (72, 1134887), (78, 1047588), (104, 785691), (117, 698392), (156, 523794), (234, 349196), (312, 261897), (468, 174598), (936, 87299)]