9888947056

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{261557}}^1$

素因数の和:261721

約数の個数: 40

約数和(自身を含む): 20432910960

約数和(自身を除く): 10543963904

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 556, 1112, 2224, 2363, 4726, 9452, 18904, 37808, 261557, 523114, 1046228, 2092456, 4184912, 4446469, 8892938, 17785876, 35571752, 36356423, 71143504, 72712846, 145425692, 290851384, 581702768, 618059191, 1236118382, 2472236764, 4944473528, 9888947056]

約数ペア:

[(1, 9888947056), (2, 4944473528), (4, 2472236764), (8, 1236118382), (16, 618059191), (17, 581702768), (34, 290851384), (68, 145425692), (136, 72712846), (139, 71143504), (272, 36356423), (278, 35571752), (556, 17785876), (1112, 8892938), (2224, 4446469), (2363, 4184912), (4726, 2092456), (9452, 1046228), (18904, 523114), (37808, 261557)]