28405615

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{15313}}^1$

素因数の和:15378

約数の個数: 16

約数和(自身を含む): 39693888

約数和(自身を除く): 11288273

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 15313, 76565, 107191, 535955, 811589, 4057945, 5681123, 28405615]

約数ペア:

[(1, 28405615), (5, 5681123), (7, 4057945), (35, 811589), (53, 535955), (265, 107191), (371, 76565), (1855, 15313)]