161728735

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 240491520

約数和(自身を除く): 78762785

約数列:

[1, 5, 7, 17, 35, 59, 85, 119, 271, 289, 295, 413, 595, 1003, 1355, 1445, 1897, 2023, 2065, 4607, 5015, 7021, 9485, 10115, 15989, 17051, 23035, 32249, 35105, 78319, 79945, 85255, 111923, 119357, 161245, 271813, 391595, 548233, 559615, 596785, 1359065, 1902691, 2741165, 4620821, 9513455, 23104105, 32345747, 161728735]

約数ペア:

[(1, 161728735), (5, 32345747), (7, 23104105), (17, 9513455), (35, 4620821), (59, 2741165), (85, 1902691), (119, 1359065), (271, 596785), (289, 559615), (295, 548233), (413, 391595), (595, 271813), (1003, 161245), (1355, 119357), (1445, 111923), (1897, 85255), (2023, 79945), (2065, 78319), (4607, 35105), (5015, 32249), (7021, 23035), (9485, 17051), (10115, 15989)]