28505491

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2713}}^1$

素因数の和:2818

約数の個数: 16

約数和(自身を含む): 34739200

約数和(自身を除く): 6233709

約数列:

[1, 7, 19, 79, 133, 553, 1501, 2713, 10507, 18991, 51547, 214327, 360829, 1500289, 4072213, 28505491]

約数ペア:

[(1, 28505491), (7, 4072213), (19, 1500289), (79, 360829), (133, 214327), (553, 51547), (1501, 18991), (2713, 10507)]