129616990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{316139}}^1$

素因数の和:316187

約数の個数: 16

約数和(自身を含む): 239001840

約数和(自身を除く): 109384850

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 316139, 632278, 1580695, 3161390, 12961699, 25923398, 64808495, 129616990]

約数ペア:

[(1, 129616990), (2, 64808495), (5, 25923398), (10, 12961699), (41, 3161390), (82, 1580695), (205, 632278), (410, 316139)]