2009721805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{8287}}^1$

素因数の和:8366

約数の個数: 48

約数和(自身を含む): 3057675264

約数和(自身を除く): 1047953459

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 169, 205, 287, 455, 533, 845, 1183, 1435, 2665, 3731, 5915, 6929, 8287, 18655, 34645, 41435, 48503, 58009, 107731, 242515, 290045, 339767, 538655, 754117, 1400503, 1698835, 2378369, 3770585, 4416971, 7002515, 9803521, 11891845, 22084855, 30918797, 49017605, 57420623, 154593985, 287103115, 401944361, 2009721805]

約数ペア:

[(1, 2009721805), (5, 401944361), (7, 287103115), (13, 154593985), (35, 57420623), (41, 49017605), (65, 30918797), (91, 22084855), (169, 11891845), (205, 9803521), (287, 7002515), (455, 4416971), (533, 3770585), (845, 2378369), (1183, 1698835), (1435, 1400503), (2665, 754117), (3731, 538655), (5915, 339767), (6929, 290045), (8287, 242515), (18655, 107731), (34645, 58009), (41435, 48503)]