89902813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 132249600

約数和(自身を除く): 42346787

約数列:

[1, 7, 11, 13, 19, 29, 77, 91, 133, 143, 163, 203, 209, 247, 319, 377, 551, 1001, 1141, 1463, 1729, 1793, 2119, 2233, 2639, 2717, 3097, 3857, 4147, 4727, 6061, 7163, 12551, 14833, 19019, 21679, 23309, 29029, 33089, 34067, 40261, 42427, 50141, 51997, 61451, 78793, 89813, 163163, 238469, 281827, 363979, 430157, 442871, 551551, 628691, 675961, 987943, 1167569, 3100097, 4731727, 6915601, 8172983, 12843259, 89902813]

約数ペア:

[(1, 89902813), (7, 12843259), (11, 8172983), (13, 6915601), (19, 4731727), (29, 3100097), (77, 1167569), (91, 987943), (133, 675961), (143, 628691), (163, 551551), (203, 442871), (209, 430157), (247, 363979), (319, 281827), (377, 238469), (551, 163163), (1001, 89813), (1141, 78793), (1463, 61451), (1729, 51997), (1793, 50141), (2119, 42427), (2233, 40261), (2639, 34067), (2717, 33089), (3097, 29029), (3857, 23309), (4147, 21679), (4727, 19019), (6061, 14833), (7163, 12551)]