2003365

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 48

約数和(自身を含む): 3274992

約数和(自身を除く): 1271627

約数列:

[1, 5, 7, 13, 17, 35, 37, 49, 65, 85, 91, 119, 185, 221, 245, 259, 455, 481, 595, 629, 637, 833, 1105, 1295, 1547, 1813, 2405, 3145, 3185, 3367, 4165, 4403, 7735, 8177, 9065, 10829, 16835, 22015, 23569, 30821, 40885, 54145, 57239, 117845, 154105, 286195, 400673, 2003365]

約数ペア:

[(1, 2003365), (5, 400673), (7, 286195), (13, 154105), (17, 117845), (35, 57239), (37, 54145), (49, 40885), (65, 30821), (85, 23569), (91, 22015), (119, 16835), (185, 10829), (221, 9065), (245, 8177), (259, 7735), (455, 4403), (481, 4165), (595, 3367), (629, 3185), (637, 3145), (833, 2405), (1105, 1813), (1295, 1547)]