64695988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{121609}}^1$

素因数の和:121639

約数の個数: 24

約数和(自身を含む): 136203200

約数和(自身を除く): 71507212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 121609, 243218, 486436, 851263, 1702526, 2310571, 3405052, 4621142, 9242284, 16173997, 32347994, 64695988]

約数ペア:

[(1, 64695988), (2, 32347994), (4, 16173997), (7, 9242284), (14, 4621142), (19, 3405052), (28, 2310571), (38, 1702526), (76, 851263), (133, 486436), (266, 243218), (532, 121609)]