53888890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11393}}^1$

素因数の和:11454

約数の個数: 32

約数和(自身を含む): 108288576

約数和(自身を除く): 54399686

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 11393, 22786, 56965, 113930, 125323, 250646, 489899, 626615, 979798, 1253230, 2449495, 4898990, 5388889, 10777778, 26944445, 53888890]

約数ペア:

[(1, 53888890), (2, 26944445), (5, 10777778), (10, 5388889), (11, 4898990), (22, 2449495), (43, 1253230), (55, 979798), (86, 626615), (110, 489899), (215, 250646), (430, 125323), (473, 113930), (946, 56965), (2365, 22786), (4730, 11393)]