13865210

素因数分解:

$2^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2143}}^1$

素因数の和:2797

約数の個数: 16

約数和(自身を含む): 25007616

約数和(自身を除く): 11142406

約数列:

[1, 2, 5, 10, 647, 1294, 2143, 3235, 4286, 6470, 10715, 21430, 1386521, 2773042, 6932605, 13865210]

約数ペア:

[(1, 13865210), (2, 6932605), (5, 2773042), (10, 1386521), (647, 21430), (1294, 10715), (2143, 6470), (3235, 4286)]