128189215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{30269}}^1$

素因数の和:30303

約数の個数: 24

約数和(自身を含む): 193243680

約数和(自身を除く): 65054465

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 30269, 151345, 211883, 332959, 1059415, 1664795, 2330713, 3662549, 11653565, 18312745, 25637843, 128189215]

約数ペア:

[(1, 128189215), (5, 25637843), (7, 18312745), (11, 11653565), (35, 3662549), (55, 2330713), (77, 1664795), (121, 1059415), (385, 332959), (605, 211883), (847, 151345), (4235, 30269)]