1999004815

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1\times {\mathrm{21061}}^1$

素因数の和:21570

約数の個数: 16

約数和(自身を含む): 2462737536

約数和(自身を除く): 463732721

約数列:

[1, 5, 41, 205, 463, 2315, 18983, 21061, 94915, 105305, 863501, 4317505, 9751243, 48756215, 399800963, 1999004815]

約数ペア:

[(1, 1999004815), (5, 399800963), (41, 48756215), (205, 9751243), (463, 4317505), (2315, 863501), (18983, 105305), (21061, 94915)]