164317825

素因数分解:

$5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4327}}^1$

素因数の和:4382

約数の個数: 36

約数和(自身を含む): 244722432

約数和(自身を除く): 80404607

約数列:

[1, 5, 7, 25, 31, 35, 49, 155, 175, 217, 245, 775, 1085, 1225, 1519, 4327, 5425, 7595, 21635, 30289, 37975, 108175, 134137, 151445, 212023, 670685, 757225, 938959, 1060115, 3353425, 4694795, 5300575, 6572713, 23473975, 32863565, 164317825]

約数ペア:

[(1, 164317825), (5, 32863565), (7, 23473975), (25, 6572713), (31, 5300575), (35, 4694795), (49, 3353425), (155, 1060115), (175, 938959), (217, 757225), (245, 670685), (775, 212023), (1085, 151445), (1225, 134137), (1519, 108175), (4327, 37975), (5425, 30289), (7595, 21635)]