12345655472

素因数分解:

$2^4\times {\mathrm{27109}}^1\times {\mathrm{28463}}^1$

素因数の和:55580

約数の個数: 20

約数和(自身を含む): 23921430240

約数和(自身を除く): 11575774768

約数列:

[1, 2, 4, 8, 16, 27109, 28463, 54218, 56926, 108436, 113852, 216872, 227704, 433744, 455408, 771603467, 1543206934, 3086413868, 6172827736, 12345655472]

約数ペア:

[(1, 12345655472), (2, 6172827736), (4, 3086413868), (8, 1543206934), (16, 771603467), (27109, 455408), (28463, 433744), (54218, 227704), (56926, 216872), (108436, 113852)]