64266531

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 110592000

約数和(自身を除く): 46325469

約数列:

[1, 3, 7, 19, 21, 23, 47, 57, 69, 133, 141, 149, 161, 329, 399, 437, 447, 483, 893, 987, 1043, 1081, 1311, 2679, 2831, 3059, 3129, 3243, 3427, 6251, 7003, 7567, 8493, 9177, 10281, 18753, 19817, 20539, 21009, 22701, 23989, 49021, 59451, 61617, 65113, 71967, 133057, 143773, 147063, 161069, 195339, 399171, 431319, 455791, 483207, 931399, 1127483, 1367373, 2794197, 3060311, 3382449, 9180933, 21422177, 64266531]

約数ペア:

[(1, 64266531), (3, 21422177), (7, 9180933), (19, 3382449), (21, 3060311), (23, 2794197), (47, 1367373), (57, 1127483), (69, 931399), (133, 483207), (141, 455791), (149, 431319), (161, 399171), (329, 195339), (399, 161069), (437, 147063), (447, 143773), (483, 133057), (893, 71967), (987, 65113), (1043, 61617), (1081, 59451), (1311, 49021), (2679, 23989), (2831, 22701), (3059, 21009), (3129, 20539), (3243, 19817), (3427, 18753), (6251, 10281), (7003, 9177), (7567, 8493)]