13115501

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 15613440

約数和(自身を除く): 2497939

約数列:

[1, 7, 37, 79, 259, 553, 641, 2923, 4487, 20461, 23717, 50639, 166019, 354473, 1873643, 13115501]

約数ペア:

[(1, 13115501), (7, 1873643), (37, 354473), (79, 166019), (259, 50639), (553, 23717), (641, 20461), (2923, 4487)]