638672208

素因数分解:

$2^4\times 3^1\times {\mathrm{13305671}}^1$

素因数の和:13305682

約数の個数: 20

約数和(自身を含む): 1649903328

約数和(自身を除く): 1011231120

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13305671, 26611342, 39917013, 53222684, 79834026, 106445368, 159668052, 212890736, 319336104, 638672208]

約数ペア:

[(1, 638672208), (2, 319336104), (3, 212890736), (4, 159668052), (6, 106445368), (8, 79834026), (12, 53222684), (16, 39917013), (24, 26611342), (48, 13305671)]