87159995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 118564992

約数和(自身を除く): 31404997

約数列:

[1, 5, 13, 23, 65, 115, 173, 299, 337, 865, 1495, 1685, 2249, 3979, 4381, 7751, 11245, 19895, 21905, 38755, 51727, 58301, 100763, 258635, 291505, 503815, 757913, 1340923, 3789565, 6704615, 17431999, 87159995]

約数ペア:

[(1, 87159995), (5, 17431999), (13, 6704615), (23, 3789565), (65, 1340923), (115, 757913), (173, 503815), (299, 291505), (337, 258635), (865, 100763), (1495, 58301), (1685, 51727), (2249, 38755), (3979, 21905), (4381, 19895), (7751, 11245)]