1310215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 1658880

約数和(自身を除く): 348665

約数列:

[1, 5, 31, 79, 107, 155, 395, 535, 2449, 3317, 8453, 12245, 16585, 42265, 262043, 1310215]

約数ペア:

[(1, 1310215), (5, 262043), (31, 42265), (79, 16585), (107, 12245), (155, 8453), (395, 3317), (535, 2449)]