2081399645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{1709}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 2763059040

約数和(自身を除く): 681659395

約数列:

[1, 5, 13, 41, 65, 205, 457, 533, 1709, 2285, 2665, 5941, 8545, 18737, 22217, 29705, 70069, 93685, 111085, 243581, 350345, 781013, 910897, 1217905, 3905065, 4554485, 10153169, 32021533, 50765845, 160107665, 416279929, 2081399645]

約数ペア:

[(1, 2081399645), (5, 416279929), (13, 160107665), (41, 50765845), (65, 32021533), (205, 10153169), (457, 4554485), (533, 3905065), (1709, 1217905), (2285, 910897), (2665, 781013), (5941, 350345), (8545, 243581), (18737, 111085), (22217, 93685), (29705, 70069)]