289190165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 420249600

約数和(自身を除く): 131059435

約数列:

[1, 5, 11, 19, 31, 55, 79, 95, 113, 155, 209, 341, 395, 565, 589, 869, 1045, 1243, 1501, 1705, 2147, 2449, 2945, 3503, 4345, 6215, 6479, 7505, 8927, 10735, 12245, 16511, 17515, 23617, 26939, 32395, 38533, 44635, 46531, 66557, 82555, 98197, 118085, 134695, 169613, 192665, 232655, 276737, 332785, 490985, 511841, 732127, 848065, 1383685, 1865743, 2559205, 3044107, 3660635, 5258003, 9328715, 15220535, 26290015, 57838033, 289190165]

約数ペア:

[(1, 289190165), (5, 57838033), (11, 26290015), (19, 15220535), (31, 9328715), (55, 5258003), (79, 3660635), (95, 3044107), (113, 2559205), (155, 1865743), (209, 1383685), (341, 848065), (395, 732127), (565, 511841), (589, 490985), (869, 332785), (1045, 276737), (1243, 232655), (1501, 192665), (1705, 169613), (2147, 134695), (2449, 118085), (2945, 98197), (3503, 82555), (4345, 66557), (6215, 46531), (6479, 44635), (7505, 38533), (8927, 32395), (10735, 26939), (12245, 23617), (16511, 17515)]