64720738

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{3889}}^1$

素因数の和:4101

約数の個数: 16

約数和(自身を含む): 99568440

約数和(自身を除く): 34847702

約数列:

[1, 2, 53, 106, 157, 314, 3889, 7778, 8321, 16642, 206117, 412234, 610573, 1221146, 32360369, 64720738]

約数ペア:

[(1, 64720738), (2, 32360369), (53, 1221146), (106, 610573), (157, 412234), (314, 206117), (3889, 16642), (7778, 8321)]