28788890013

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1\times {\mathrm{3457}}^1$

素因数の和:4238

約数の個数: 48

約数和(自身を含む): 45275870640

約数和(自身を除く): 16486980627

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 653, 981, 1417, 1959, 3457, 4251, 5877, 8489, 10371, 12753, 25467, 31113, 44941, 71177, 76401, 134823, 213531, 376813, 404469, 640593, 925301, 1130439, 2257421, 2775903, 3391317, 4898569, 6772263, 8327709, 14695707, 20316789, 29346473, 44087121, 88039419, 246058889, 264118257, 738176667, 2214530001, 3198765557, 9596296671, 28788890013]

約数ペア:

[(1, 28788890013), (3, 9596296671), (9, 3198765557), (13, 2214530001), (39, 738176667), (109, 264118257), (117, 246058889), (327, 88039419), (653, 44087121), (981, 29346473), (1417, 20316789), (1959, 14695707), (3457, 8327709), (4251, 6772263), (5877, 4898569), (8489, 3391317), (10371, 2775903), (12753, 2257421), (25467, 1130439), (31113, 925301), (44941, 640593), (71177, 404469), (76401, 376813), (134823, 213531)]