81726892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{14419}}^1$

素因数の和:14545

約数の個数: 24

約数和(自身を含む): 155447600

約数和(自身を除く): 73720708

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 14419, 28838, 57676, 187447, 374894, 749788, 1571671, 3143342, 6286684, 20431723, 40863446, 81726892]

約数ペア:

[(1, 81726892), (2, 40863446), (4, 20431723), (13, 6286684), (26, 3143342), (52, 1571671), (109, 749788), (218, 374894), (436, 187447), (1417, 57676), (2834, 28838), (5668, 14419)]