31782478

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:162

約数の個数: 72

約数和(自身を含む): 63837720

約数和(自身を除く): 32055242

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 101, 133, 169, 182, 202, 247, 266, 338, 494, 637, 707, 931, 1183, 1274, 1313, 1414, 1729, 1862, 1919, 2366, 2626, 3211, 3458, 3838, 4949, 6422, 8281, 9191, 9898, 12103, 13433, 16562, 17069, 18382, 22477, 24206, 24947, 26866, 34138, 44954, 49894, 64337, 94031, 119483, 128674, 157339, 174629, 188062, 238966, 314678, 324311, 349258, 648622, 836381, 1222403, 1672762, 2270177, 2444806, 4540354, 15891239, 31782478]

約数ペア:

[(1, 31782478), (2, 15891239), (7, 4540354), (13, 2444806), (14, 2270177), (19, 1672762), (26, 1222403), (38, 836381), (49, 648622), (91, 349258), (98, 324311), (101, 314678), (133, 238966), (169, 188062), (182, 174629), (202, 157339), (247, 128674), (266, 119483), (338, 94031), (494, 64337), (637, 49894), (707, 44954), (931, 34138), (1183, 26866), (1274, 24947), (1313, 24206), (1414, 22477), (1729, 18382), (1862, 17069), (1919, 16562), (2366, 13433), (2626, 12103), (3211, 9898), (3458, 9191), (3838, 8281), (4949, 6422)]