2005296727

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 2708845200

約数和(自身を除く): 703548473

約数列:

[1, 7, 17, 19, 29, 49, 119, 133, 203, 257, 289, 323, 493, 551, 833, 931, 1421, 1799, 2023, 2261, 3451, 3857, 4369, 4883, 5491, 7453, 8381, 9367, 12593, 14161, 15827, 24157, 26999, 30583, 34181, 38437, 52171, 58667, 65569, 74273, 83011, 126701, 141607, 159239, 214081, 239267, 269059, 365197, 410669, 458983, 519911, 581077, 886907, 991249, 1114673, 1411187, 2153917, 2407319, 3639377, 4067539, 6208349, 6938743, 7802711, 9878309, 15077419, 16851233, 40924423, 69148163, 105541933, 117958631, 286470961, 2005296727]

約数ペア:

[(1, 2005296727), (7, 286470961), (17, 117958631), (19, 105541933), (29, 69148163), (49, 40924423), (119, 16851233), (133, 15077419), (203, 9878309), (257, 7802711), (289, 6938743), (323, 6208349), (493, 4067539), (551, 3639377), (833, 2407319), (931, 2153917), (1421, 1411187), (1799, 1114673), (2023, 991249), (2261, 886907), (3451, 581077), (3857, 519911), (4369, 458983), (4883, 410669), (5491, 365197), (7453, 269059), (8381, 239267), (9367, 214081), (12593, 159239), (14161, 141607), (15827, 126701), (24157, 83011), (26999, 74273), (30583, 65569), (34181, 58667), (38437, 52171)]