2049905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 32

約数和(自身を含む): 2999808

約数和(自身を除く): 949903

約数列:

[1, 5, 11, 13, 47, 55, 61, 65, 143, 235, 305, 517, 611, 671, 715, 793, 2585, 2867, 3055, 3355, 3965, 6721, 8723, 14335, 31537, 33605, 37271, 43615, 157685, 186355, 409981, 2049905]

約数ペア:

[(1, 2049905), (5, 409981), (11, 186355), (13, 157685), (47, 43615), (55, 37271), (61, 33605), (65, 31537), (143, 14335), (235, 8723), (305, 6721), (517, 3965), (611, 3355), (671, 3055), (715, 2867), (793, 2585)]