520000978

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{4993}}^1$

素因数の和:5218

約数の個数: 32

約数和(自身を含む): 917617536

約数和(自身を除く): 397616558

約数列:

[1, 2, 7, 14, 43, 86, 173, 301, 346, 602, 1211, 2422, 4993, 7439, 9986, 14878, 34951, 52073, 69902, 104146, 214699, 429398, 863789, 1502893, 1727578, 3005786, 6046523, 12093046, 37142927, 74285854, 260000489, 520000978]

約数ペア:

[(1, 520000978), (2, 260000489), (7, 74285854), (14, 37142927), (43, 12093046), (86, 6046523), (173, 3005786), (301, 1727578), (346, 1502893), (602, 863789), (1211, 429398), (2422, 214699), (4993, 104146), (7439, 69902), (9986, 52073), (14878, 34951)]