2681255

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 16

約数和(自身を含む): 3348000

約数和(自身を除く): 666745

約数列:

[1, 5, 59, 61, 149, 295, 305, 745, 3599, 8791, 9089, 17995, 43955, 45445, 536251, 2681255]

約数ペア:

[(1, 2681255), (5, 536251), (59, 45445), (61, 43955), (149, 17995), (295, 9089), (305, 8791), (745, 3599)]