1988705

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 2494800

約数和(自身を除く): 506095

約数列:

[1, 5, 41, 89, 109, 205, 445, 545, 3649, 4469, 9701, 18245, 22345, 48505, 397741, 1988705]

約数ペア:

[(1, 1988705), (5, 397741), (41, 48505), (89, 22345), (109, 18245), (205, 9701), (445, 4469), (545, 3649)]