1998200216

素因数分解:

$2^3\times {\mathrm{1621}}^1\times {\mathrm{154087}}^1$

素因数の和:155714

約数の個数: 16

約数和(自身を含む): 3748961040

約数和(自身を除く): 1750760824

約数列:

[1, 2, 4, 8, 1621, 3242, 6484, 12968, 154087, 308174, 616348, 1232696, 249775027, 499550054, 999100108, 1998200216]

約数ペア:

[(1, 1998200216), (2, 999100108), (4, 499550054), (8, 249775027), (1621, 1232696), (3242, 616348), (6484, 308174), (12968, 154087)]