16665445

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1361}}^1$

素因数の和:1476

約数の個数: 16

約数和(自身を含む): 20920320

約数和(自身を除く): 4254875

約数列:

[1, 5, 31, 79, 155, 395, 1361, 2449, 6805, 12245, 42191, 107519, 210955, 537595, 3333089, 16665445]

約数ペア:

[(1, 16665445), (5, 3333089), (31, 537595), (79, 210955), (155, 107519), (395, 42191), (1361, 12245), (2449, 6805)]