256220265

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{7417}}^1$

素因数の和:7486

約数の個数: 48

約数和(自身を含む): 487095552

約数和(自身を除く): 230875287

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 105, 141, 147, 235, 245, 329, 705, 735, 987, 1645, 2303, 4935, 6909, 7417, 11515, 22251, 34545, 37085, 51919, 111255, 155757, 259595, 348599, 363433, 778785, 1045797, 1090299, 1742995, 1817165, 2440193, 5228985, 5451495, 7320579, 12200965, 17081351, 36602895, 51244053, 85406755, 256220265]

約数ペア:

[(1, 256220265), (3, 85406755), (5, 51244053), (7, 36602895), (15, 17081351), (21, 12200965), (35, 7320579), (47, 5451495), (49, 5228985), (105, 2440193), (141, 1817165), (147, 1742995), (235, 1090299), (245, 1045797), (329, 778785), (705, 363433), (735, 348599), (987, 259595), (1645, 155757), (2303, 111255), (4935, 51919), (6909, 37085), (7417, 34545), (11515, 22251)]