28690095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 56263680

約数和(自身を除く): 27573585

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 73, 95, 105, 133, 197, 219, 285, 365, 399, 511, 591, 665, 985, 1095, 1379, 1387, 1533, 1995, 2555, 2955, 3743, 4137, 4161, 6895, 6935, 7665, 9709, 11229, 14381, 18715, 20685, 20805, 26201, 29127, 43143, 48545, 56145, 71905, 78603, 100667, 131005, 145635, 215715, 273239, 302001, 393015, 503335, 819717, 1366195, 1510005, 1912673, 4098585, 5738019, 9563365, 28690095]

約数ペア:

[(1, 28690095), (3, 9563365), (5, 5738019), (7, 4098585), (15, 1912673), (19, 1510005), (21, 1366195), (35, 819717), (57, 503335), (73, 393015), (95, 302001), (105, 273239), (133, 215715), (197, 145635), (219, 131005), (285, 100667), (365, 78603), (399, 71905), (511, 56145), (591, 48545), (665, 43143), (985, 29127), (1095, 26201), (1379, 20805), (1387, 20685), (1533, 18715), (1995, 14381), (2555, 11229), (2955, 9709), (3743, 7665), (4137, 6935), (4161, 6895)]