678889244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{328283}}^1$

素因数の和:328345

約数の個数: 24

約数和(自身を含む): 1323641088

約数和(自身を除く): 644751844

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 328283, 656566, 1313132, 3611113, 7222226, 14444452, 15429301, 30858602, 61717204, 169722311, 339444622, 678889244]

約数ペア:

[(1, 678889244), (2, 339444622), (4, 169722311), (11, 61717204), (22, 30858602), (44, 15429301), (47, 14444452), (94, 7222226), (188, 3611113), (517, 1313132), (1034, 656566), (2068, 328283)]