28774825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 37185120

約数和(自身を除く): 8410295

約数列:

[1, 5, 25, 41, 67, 205, 335, 419, 1025, 1675, 2095, 2747, 10475, 13735, 17179, 28073, 68675, 85895, 140365, 429475, 701825, 1150993, 5754965, 28774825]

約数ペア:

[(1, 28774825), (5, 5754965), (25, 1150993), (41, 701825), (67, 429475), (205, 140365), (335, 85895), (419, 68675), (1025, 28073), (1675, 17179), (2095, 13735), (2747, 10475)]