213519355

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{443}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 300754944

約数和(自身を除く): 87235589

約数列:

[1, 5, 7, 35, 47, 235, 293, 329, 443, 1465, 1645, 2051, 2215, 3101, 10255, 13771, 15505, 20821, 68855, 96397, 104105, 129799, 145747, 481985, 648995, 728735, 908593, 4542965, 6100553, 30502765, 42703871, 213519355]

約数ペア:

[(1, 213519355), (5, 42703871), (7, 30502765), (35, 6100553), (47, 4542965), (235, 908593), (293, 728735), (329, 648995), (443, 481985), (1465, 145747), (1645, 129799), (2051, 104105), (2215, 96397), (3101, 68855), (10255, 20821), (13771, 15505)]