2621515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1350

約数の個数: 16

約数和(自身を含む): 3499776

約数和(自身を除く): 878261

約数列:

[1, 5, 13, 31, 65, 155, 403, 1301, 2015, 6505, 16913, 40331, 84565, 201655, 524303, 2621515]

約数ペア:

[(1, 2621515), (5, 524303), (13, 201655), (31, 84565), (65, 40331), (155, 16913), (403, 6505), (1301, 2015)]