1291245358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 2288865600

約数和(自身を除く): 997620242

約数列:

[1, 2, 13, 19, 26, 29, 38, 58, 173, 247, 346, 377, 494, 521, 551, 754, 1042, 1102, 2249, 3287, 4498, 5017, 6574, 6773, 7163, 9899, 10034, 13546, 14326, 15109, 19798, 30218, 42731, 65221, 85462, 90133, 95323, 128687, 130442, 180266, 190646, 196417, 257374, 287071, 392834, 574142, 1171729, 1239199, 1712527, 2343458, 2478398, 2613857, 3425054, 3731923, 5227714, 7463846, 22262851, 33980141, 44525702, 49663283, 67960282, 99326566, 645622679, 1291245358]

約数ペア:

[(1, 1291245358), (2, 645622679), (13, 99326566), (19, 67960282), (26, 49663283), (29, 44525702), (38, 33980141), (58, 22262851), (173, 7463846), (247, 5227714), (346, 3731923), (377, 3425054), (494, 2613857), (521, 2478398), (551, 2343458), (754, 1712527), (1042, 1239199), (1102, 1171729), (2249, 574142), (3287, 392834), (4498, 287071), (5017, 257374), (6574, 196417), (6773, 190646), (7163, 180266), (9899, 130442), (10034, 128687), (13546, 95323), (14326, 90133), (15109, 85462), (19798, 65221), (30218, 42731)]