81723818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 136468800

約数和(自身を除く): 54744982

約数列:

[1, 2, 11, 22, 107, 149, 214, 233, 298, 466, 1177, 1639, 2354, 2563, 3278, 5126, 15943, 24931, 31886, 34717, 49862, 69434, 175373, 274241, 350746, 381887, 548482, 763774, 3714719, 7429438, 40861909, 81723818]

約数ペア:

[(1, 81723818), (2, 40861909), (11, 7429438), (22, 3714719), (107, 763774), (149, 548482), (214, 381887), (233, 350746), (298, 274241), (466, 175373), (1177, 69434), (1639, 49862), (2354, 34717), (2563, 31886), (3278, 24931), (5126, 15943)]