340065439

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 436665600

約数和(自身を除く): 96600161

約数列:

[1, 7, 19, 41, 49, 59, 133, 151, 287, 413, 779, 931, 1057, 1121, 2009, 2419, 2869, 2891, 5453, 6191, 7399, 7847, 8909, 16933, 20083, 38171, 43337, 45961, 54929, 62363, 117629, 118531, 140581, 169271, 303359, 321727, 365269, 436541, 823403, 1184897, 2252089, 2556883, 5763821, 6940111, 8294279, 17898181, 48580777, 340065439]

約数ペア:

[(1, 340065439), (7, 48580777), (19, 17898181), (41, 8294279), (49, 6940111), (59, 5763821), (133, 2556883), (151, 2252089), (287, 1184897), (413, 823403), (779, 436541), (931, 365269), (1057, 321727), (1121, 303359), (2009, 169271), (2419, 140581), (2869, 118531), (2891, 117629), (5453, 62363), (6191, 54929), (7399, 45961), (7847, 43337), (8909, 38171), (16933, 20083)]