28282828

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 58330944

約数和(自身を除く): 30048116

約数列:

[1, 2, 4, 7, 14, 28, 73, 101, 137, 146, 202, 274, 292, 404, 511, 548, 707, 959, 1022, 1414, 1918, 2044, 2828, 3836, 7373, 10001, 13837, 14746, 20002, 27674, 29492, 40004, 51611, 55348, 70007, 96859, 103222, 140014, 193718, 206444, 280028, 387436, 1010101, 2020202, 4040404, 7070707, 14141414, 28282828]

約数ペア:

[(1, 28282828), (2, 14141414), (4, 7070707), (7, 4040404), (14, 2020202), (28, 1010101), (73, 387436), (101, 280028), (137, 206444), (146, 193718), (202, 140014), (274, 103222), (292, 96859), (404, 70007), (511, 55348), (548, 51611), (707, 40004), (959, 29492), (1022, 27674), (1414, 20002), (1918, 14746), (2044, 13837), (2828, 10001), (3836, 7373)]