68393465

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{16421}}^1$

素因数の和:16457

約数の個数: 24

約数和(自身を含む): 101093832

約数和(自身を除く): 32700367

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 16421, 82105, 114947, 279157, 574735, 804629, 1395785, 1954099, 4023145, 9770495, 13678693, 68393465]

約数ペア:

[(1, 68393465), (5, 13678693), (7, 9770495), (17, 4023145), (35, 1954099), (49, 1395785), (85, 804629), (119, 574735), (245, 279157), (595, 114947), (833, 82105), (4165, 16421)]