64607870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{90997}}^1$

素因数の和:91075

約数の個数: 16

約数和(自身を含む): 117933408

約数和(自身を除く): 53325538

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 90997, 181994, 454985, 909970, 6460787, 12921574, 32303935, 64607870]

約数ペア:

[(1, 64607870), (2, 32303935), (5, 12921574), (10, 6460787), (71, 909970), (142, 454985), (355, 181994), (710, 90997)]