2819905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 3830400

約数和(自身を除く): 1010495

約数列:

[1, 5, 11, 55, 59, 79, 121, 295, 395, 605, 649, 869, 3245, 4345, 4661, 7139, 9559, 23305, 35695, 47795, 51271, 256355, 563981, 2819905]

約数ペア:

[(1, 2819905), (5, 563981), (11, 256355), (55, 51271), (59, 47795), (79, 35695), (121, 23305), (295, 9559), (395, 7139), (605, 4661), (649, 4345), (869, 3245)]