261493488

素因数分解:

$2^4\times 3^3\times {\mathrm{605309}}^1$

素因数の和:605326

約数の個数: 40

約数和(自身を含む): 750584400

約数和(自身を除く): 489090912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 605309, 1210618, 1815927, 2421236, 3631854, 4842472, 5447781, 7263708, 9684944, 10895562, 14527416, 16343343, 21791124, 29054832, 32686686, 43582248, 65373372, 87164496, 130746744, 261493488]

約数ペア:

[(1, 261493488), (2, 130746744), (3, 87164496), (4, 65373372), (6, 43582248), (8, 32686686), (9, 29054832), (12, 21791124), (16, 16343343), (18, 14527416), (24, 10895562), (27, 9684944), (36, 7263708), (48, 5447781), (54, 4842472), (72, 3631854), (108, 2421236), (144, 1815927), (216, 1210618), (432, 605309)]