81868252

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{4339}}^1$

素因数の和:4485

約数の個数: 24

約数和(自身を含む): 147646800

約数和(自身を除く): 65778548

約数列:

[1, 2, 4, 53, 89, 106, 178, 212, 356, 4339, 4717, 8678, 9434, 17356, 18868, 229967, 386171, 459934, 772342, 919868, 1544684, 20467063, 40934126, 81868252]

約数ペア:

[(1, 81868252), (2, 40934126), (4, 20467063), (53, 1544684), (89, 919868), (106, 772342), (178, 459934), (212, 386171), (356, 229967), (4339, 18868), (4717, 17356), (8678, 9434)]