13138885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 17510400

約数和(自身を除く): 4371515

約数列:

[1, 5, 29, 31, 37, 79, 145, 155, 185, 395, 899, 1073, 1147, 2291, 2449, 2923, 4495, 5365, 5735, 11455, 12245, 14615, 33263, 71021, 84767, 90613, 166315, 355105, 423835, 453065, 2627777, 13138885]

約数ペア:

[(1, 13138885), (5, 2627777), (29, 453065), (31, 423835), (37, 355105), (79, 166315), (145, 90613), (155, 84767), (185, 71021), (395, 33263), (899, 14615), (1073, 12245), (1147, 11455), (2291, 5735), (2449, 5365), (2923, 4495)]