15678919871

素因数分解:

${\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{2131}}^1$

素因数の和:2487

約数の個数: 24

約数和(自身を含む): 16814444400

約数和(自身を除く): 1135524529

約数列:

[1, 19, 89, 229, 361, 1691, 2131, 4351, 20381, 32129, 40489, 82669, 189659, 387239, 487999, 769291, 3603521, 7357541, 9271981, 43431911, 68466899, 176167639, 825206309, 15678919871]

約数ペア:

[(1, 15678919871), (19, 825206309), (89, 176167639), (229, 68466899), (361, 43431911), (1691, 9271981), (2131, 7357541), (4351, 3603521), (20381, 769291), (32129, 487999), (40489, 387239), (82669, 189659)]