399990535

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{18169}}^1$

素因数の和:18235

約数の個数: 32

約数和(自身を含む): 596557440

約数和(自身を除く): 196566905

約数列:

[1, 5, 7, 17, 35, 37, 85, 119, 185, 259, 595, 629, 1295, 3145, 4403, 18169, 22015, 90845, 127183, 308873, 635915, 672253, 1544365, 2162111, 3361265, 4705771, 10810555, 11428301, 23528855, 57141505, 79998107, 399990535]

約数ペア:

[(1, 399990535), (5, 79998107), (7, 57141505), (17, 23528855), (35, 11428301), (37, 10810555), (85, 4705771), (119, 3361265), (185, 2162111), (259, 1544365), (595, 672253), (629, 635915), (1295, 308873), (3145, 127183), (4403, 90845), (18169, 22015)]