2836990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 5574240

約数和(自身を除く): 2737250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 157, 278, 314, 695, 785, 1390, 1570, 1807, 2041, 3614, 4082, 9035, 10205, 18070, 20410, 21823, 43646, 109115, 218230, 283699, 567398, 1418495, 2836990]

約数ペア:

[(1, 2836990), (2, 1418495), (5, 567398), (10, 283699), (13, 218230), (26, 109115), (65, 43646), (130, 21823), (139, 20410), (157, 18070), (278, 10205), (314, 9035), (695, 4082), (785, 3614), (1390, 2041), (1570, 1807)]