290779112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{10631}}^1$

素因数の和:10913

約数の個数: 32

約数和(自身を含む): 589438080

約数和(自身を除く): 298658968

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 263, 526, 1052, 2104, 3419, 6838, 10631, 13676, 21262, 27352, 42524, 85048, 138203, 276406, 552812, 1105624, 2795953, 5591906, 11183812, 22367624, 36347389, 72694778, 145389556, 290779112]

約数ペア:

[(1, 290779112), (2, 145389556), (4, 72694778), (8, 36347389), (13, 22367624), (26, 11183812), (52, 5591906), (104, 2795953), (263, 1105624), (526, 552812), (1052, 276406), (2104, 138203), (3419, 85048), (6838, 42524), (10631, 27352), (13676, 21262)]