381876368

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{171707}}^1$

素因数の和:171854

約数の個数: 20

約数和(自身を含む): 745212720

約数和(自身を除く): 363336352

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 171707, 343414, 686828, 1373656, 2747312, 23867273, 47734546, 95469092, 190938184, 381876368]

約数ペア:

[(1, 381876368), (2, 190938184), (4, 95469092), (8, 47734546), (16, 23867273), (139, 2747312), (278, 1373656), (556, 686828), (1112, 343414), (2224, 171707)]