81513212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{823}}^1\times {\mathrm{2251}}^1$

素因数の和:3089

約数の個数: 24

約数和(自身を含む): 155874432

約数和(自身を除く): 74361220

約数列:

[1, 2, 4, 11, 22, 44, 823, 1646, 2251, 3292, 4502, 9004, 9053, 18106, 24761, 36212, 49522, 99044, 1852573, 3705146, 7410292, 20378303, 40756606, 81513212]

約数ペア:

[(1, 81513212), (2, 40756606), (4, 20378303), (11, 7410292), (22, 3705146), (44, 1852573), (823, 99044), (1646, 49522), (2251, 36212), (3292, 24761), (4502, 18106), (9004, 9053)]