2109802805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{30181}}^1$

素因数の和:30269

約数の個数: 32

約数和(自身を含む): 2920651776

約数和(自身を除く): 810848971

約数列:

[1, 5, 11, 31, 41, 55, 155, 205, 341, 451, 1271, 1705, 2255, 6355, 13981, 30181, 69905, 150905, 331991, 935611, 1237421, 1659955, 4678055, 6187105, 10291721, 13611631, 38360051, 51458605, 68058155, 191800255, 421960561, 2109802805]

約数ペア:

[(1, 2109802805), (5, 421960561), (11, 191800255), (31, 68058155), (41, 51458605), (55, 38360051), (155, 13611631), (205, 10291721), (341, 6187105), (451, 4678055), (1271, 1659955), (1705, 1237421), (2255, 935611), (6355, 331991), (13981, 150905), (30181, 69905)]