289288610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{16987}}^1$

素因数の和:17138

約数の個数: 32

約数和(自身を含む): 565088832

約数和(自身を除く): 275800222

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 3406, 8515, 16987, 17030, 33974, 84935, 169870, 220831, 441662, 1104155, 2208310, 2225297, 4450594, 11126485, 22252970, 28928861, 57857722, 144644305, 289288610]

約数ペア:

[(1, 289288610), (2, 144644305), (5, 57857722), (10, 28928861), (13, 22252970), (26, 11126485), (65, 4450594), (130, 2225297), (131, 2208310), (262, 1104155), (655, 441662), (1310, 220831), (1703, 169870), (3406, 84935), (8515, 33974), (16987, 17030)]