75890815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 124830720

約数和(自身を除く): 48939905

約数列:

[1, 5, 7, 11, 13, 35, 55, 59, 65, 77, 91, 143, 257, 295, 385, 413, 455, 649, 715, 767, 1001, 1285, 1799, 2065, 2827, 3245, 3341, 3835, 4543, 5005, 5369, 8437, 8995, 14135, 15163, 16705, 19789, 22715, 23387, 26845, 36751, 42185, 59059, 75815, 98945, 106141, 116935, 166793, 183755, 197119, 257257, 295295, 530705, 833965, 985595, 1167551, 1286285, 1379833, 2168309, 5837755, 6899165, 10841545, 15178163, 75890815]

約数ペア:

[(1, 75890815), (5, 15178163), (7, 10841545), (11, 6899165), (13, 5837755), (35, 2168309), (55, 1379833), (59, 1286285), (65, 1167551), (77, 985595), (91, 833965), (143, 530705), (257, 295295), (295, 257257), (385, 197119), (413, 183755), (455, 166793), (649, 116935), (715, 106141), (767, 98945), (1001, 75815), (1285, 59059), (1799, 42185), (2065, 36751), (2827, 26845), (3245, 23387), (3341, 22715), (3835, 19789), (4543, 16705), (5005, 15163), (5369, 14135), (8437, 8995)]