72321905

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{4019}}^1$

素因数の和:4144

約数の個数: 16

約数和(自身を含む): 89726400

約数和(自身を除く): 17404495

約数列:

[1, 5, 59, 61, 295, 305, 3599, 4019, 17995, 20095, 237121, 245159, 1185605, 1225795, 14464381, 72321905]

約数ペア:

[(1, 72321905), (5, 14464381), (59, 1225795), (61, 1185605), (295, 245159), (305, 237121), (3599, 20095), (4019, 17995)]