128438468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{18701}}^1$

素因数の和:18823

約数の個数: 24

約数和(自身を含む): 240358104

約数和(自身を除く): 111919636

約数列:

[1, 2, 4, 17, 34, 68, 101, 202, 404, 1717, 3434, 6868, 18701, 37402, 74804, 317917, 635834, 1271668, 1888801, 3777602, 7555204, 32109617, 64219234, 128438468]

約数ペア:

[(1, 128438468), (2, 64219234), (4, 32109617), (17, 7555204), (34, 3777602), (68, 1888801), (101, 1271668), (202, 635834), (404, 317917), (1717, 74804), (3434, 37402), (6868, 18701)]