256738566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{2087}}^1$

素因数の和:2229

約数の個数: 64

約数和(自身を含む): 613370880

約数和(自身を除く): 356632314

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 101, 174, 202, 203, 303, 406, 606, 609, 707, 1218, 1414, 2087, 2121, 2929, 4174, 4242, 5858, 6261, 8787, 12522, 14609, 17574, 20503, 29218, 41006, 43827, 60523, 61509, 87654, 121046, 123018, 181569, 210787, 363138, 421574, 423661, 632361, 847322, 1264722, 1270983, 1475509, 2541966, 2951018, 4426527, 6112823, 8853054, 12225646, 18338469, 36676938, 42789761, 85579522, 128369283, 256738566]

約数ペア:

[(1, 256738566), (2, 128369283), (3, 85579522), (6, 42789761), (7, 36676938), (14, 18338469), (21, 12225646), (29, 8853054), (42, 6112823), (58, 4426527), (87, 2951018), (101, 2541966), (174, 1475509), (202, 1270983), (203, 1264722), (303, 847322), (406, 632361), (606, 423661), (609, 421574), (707, 363138), (1218, 210787), (1414, 181569), (2087, 123018), (2121, 121046), (2929, 87654), (4174, 61509), (4242, 60523), (5858, 43827), (6261, 41006), (8787, 29218), (12522, 20503), (14609, 17574)]