81580532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 161021952

約数和(自身を除く): 79441420

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 103, 188, 206, 383, 412, 517, 766, 1034, 1133, 1532, 2068, 2266, 4213, 4532, 4841, 8426, 9682, 16852, 18001, 19364, 36002, 39449, 53251, 72004, 78898, 106502, 157796, 198011, 213004, 396022, 433939, 792044, 867878, 1735756, 1854103, 3708206, 7416412, 20395133, 40790266, 81580532]

約数ペア:

[(1, 81580532), (2, 40790266), (4, 20395133), (11, 7416412), (22, 3708206), (44, 1854103), (47, 1735756), (94, 867878), (103, 792044), (188, 433939), (206, 396022), (383, 213004), (412, 198011), (517, 157796), (766, 106502), (1034, 78898), (1133, 72004), (1532, 53251), (2068, 39449), (2266, 36002), (4213, 19364), (4532, 18001), (4841, 16852), (8426, 9682)]