12981890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{56443}}^1$

素因数の和:56473

約数の個数: 16

約数和(自身を含む): 24383808

約数和(自身を除く): 11401918

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 56443, 112886, 282215, 564430, 1298189, 2596378, 6490945, 12981890]

約数ペア:

[(1, 12981890), (2, 6490945), (5, 2596378), (10, 1298189), (23, 564430), (46, 282215), (115, 112886), (230, 56443)]