678664592

素因数分解:

$2^4\times {\mathrm{8623}}^1\times {\mathrm{4919}}^1$

素因数の和:13550

約数の個数: 20

約数和(自身を含む): 1315332480

約数和(自身を除く): 636667888

約数列:

[1, 2, 4, 8, 16, 4919, 8623, 9838, 17246, 19676, 34492, 39352, 68984, 78704, 137968, 42416537, 84833074, 169666148, 339332296, 678664592]

約数ペア:

[(1, 678664592), (2, 339332296), (4, 169666148), (8, 84833074), (16, 42416537), (4919, 137968), (8623, 78704), (9838, 68984), (17246, 39352), (19676, 34492)]