289772655

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 496336896

約数和(自身を除く): 206564241

約数列:

[1, 3, 5, 15, 31, 67, 71, 93, 131, 155, 201, 213, 335, 355, 393, 465, 655, 1005, 1065, 1965, 2077, 2201, 4061, 4757, 6231, 6603, 8777, 9301, 10385, 11005, 12183, 14271, 20305, 23785, 26331, 27903, 31155, 33015, 43885, 46505, 60915, 71355, 131655, 139515, 147467, 272087, 288331, 442401, 623167, 737335, 816261, 864993, 1360435, 1441655, 1869501, 2212005, 3115835, 4081305, 4324965, 9347505, 19318177, 57954531, 96590885, 289772655]

約数ペア:

[(1, 289772655), (3, 96590885), (5, 57954531), (15, 19318177), (31, 9347505), (67, 4324965), (71, 4081305), (93, 3115835), (131, 2212005), (155, 1869501), (201, 1441655), (213, 1360435), (335, 864993), (355, 816261), (393, 737335), (465, 623167), (655, 442401), (1005, 288331), (1065, 272087), (1965, 147467), (2077, 139515), (2201, 131655), (4061, 71355), (4757, 60915), (6231, 46505), (6603, 43885), (8777, 33015), (9301, 31155), (10385, 27903), (11005, 26331), (12183, 23785), (14271, 20305)]