13404215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 18800640

約数和(自身を除く): 5396425

約数列:

[1, 5, 11, 19, 55, 95, 101, 127, 209, 505, 635, 1045, 1111, 1397, 1919, 2413, 5555, 6985, 9595, 12065, 12827, 21109, 26543, 64135, 105545, 132715, 141097, 243713, 705485, 1218565, 2680843, 13404215]

約数ペア:

[(1, 13404215), (5, 2680843), (11, 1218565), (19, 705485), (55, 243713), (95, 141097), (101, 132715), (127, 105545), (209, 64135), (505, 26543), (635, 21109), (1045, 12827), (1111, 12065), (1397, 9595), (1919, 6985), (2413, 5555)]