319142408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{599}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 665280000

約数和(自身を除く): 346137592

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 109, 188, 218, 376, 436, 599, 611, 872, 1198, 1222, 1417, 2396, 2444, 2834, 4792, 4888, 5123, 5668, 7787, 10246, 11336, 15574, 20492, 28153, 31148, 40984, 56306, 62296, 65291, 66599, 112612, 130582, 133198, 225224, 261164, 266396, 365989, 522328, 532792, 731978, 848783, 1463956, 1697566, 2927912, 3068677, 3395132, 6137354, 6790264, 12274708, 24549416, 39892801, 79785602, 159571204, 319142408]

約数ペア:

[(1, 319142408), (2, 159571204), (4, 79785602), (8, 39892801), (13, 24549416), (26, 12274708), (47, 6790264), (52, 6137354), (94, 3395132), (104, 3068677), (109, 2927912), (188, 1697566), (218, 1463956), (376, 848783), (436, 731978), (599, 532792), (611, 522328), (872, 365989), (1198, 266396), (1222, 261164), (1417, 225224), (2396, 133198), (2444, 130582), (2834, 112612), (4792, 66599), (4888, 65291), (5123, 62296), (5668, 56306), (7787, 40984), (10246, 31148), (11336, 28153), (15574, 20492)]