515020816

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{318701}}^1$

素因数の和:318810

約数の個数: 20

約数和(自身を含む): 1007735724

約数和(自身を除く): 492714908

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 318701, 637402, 1274804, 2549608, 5099216, 32188801, 64377602, 128755204, 257510408, 515020816]

約数ペア:

[(1, 515020816), (2, 257510408), (4, 128755204), (8, 64377602), (16, 32188801), (101, 5099216), (202, 2549608), (404, 1274804), (808, 637402), (1616, 318701)]