256476770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{14851}}^1$

素因数の和:15026

約数の個数: 32

約数和(自身を含む): 506869056

約数和(自身を除く): 250392286

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 157, 314, 785, 1570, 1727, 3454, 8635, 14851, 17270, 29702, 74255, 148510, 163361, 326722, 816805, 1633610, 2331607, 4663214, 11658035, 23316070, 25647677, 51295354, 128238385, 256476770]

約数ペア:

[(1, 256476770), (2, 128238385), (5, 51295354), (10, 25647677), (11, 23316070), (22, 11658035), (55, 4663214), (110, 2331607), (157, 1633610), (314, 816805), (785, 326722), (1570, 163361), (1727, 148510), (3454, 74255), (8635, 29702), (14851, 17270)]