87724816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{127507}}^1$

素因数の和:127558

約数の個数: 20

約数和(自身を含む): 173920912

約数和(自身を除く): 86196096

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 127507, 255014, 510028, 1020056, 2040112, 5482801, 10965602, 21931204, 43862408, 87724816]

約数ペア:

[(1, 87724816), (2, 43862408), (4, 21931204), (8, 10965602), (16, 5482801), (43, 2040112), (86, 1020056), (172, 510028), (344, 255014), (688, 127507)]