28165855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1447}}^1$

素因数の和:1698

約数の個数: 16

約数和(自身を含む): 35968320

約数和(自身を除く): 7802465

約数列:

[1, 5, 17, 85, 229, 1145, 1447, 3893, 7235, 19465, 24599, 122995, 331363, 1656815, 5633171, 28165855]

約数ペア:

[(1, 28165855), (5, 5633171), (17, 1656815), (85, 331363), (229, 122995), (1145, 24599), (1447, 19465), (3893, 7235)]