13604195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 18800640

約数和(自身を除く): 5196445

約数列:

[1, 5, 11, 31, 55, 79, 101, 155, 341, 395, 505, 869, 1111, 1705, 2449, 3131, 4345, 5555, 7979, 12245, 15655, 26939, 34441, 39895, 87769, 134695, 172205, 247349, 438845, 1236745, 2720839, 13604195]

約数ペア:

[(1, 13604195), (5, 2720839), (11, 1236745), (31, 438845), (55, 247349), (79, 172205), (101, 134695), (155, 87769), (341, 39895), (395, 34441), (505, 26939), (869, 15655), (1111, 12245), (1705, 7979), (2449, 5555), (3131, 4345)]