221210724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1393

約数の個数: 96

約数和(自身を含む): 619315200

約数和(自身を除く): 398104476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 71, 84, 87, 116, 142, 174, 203, 213, 284, 348, 406, 426, 497, 609, 812, 852, 994, 1218, 1279, 1491, 1988, 2059, 2436, 2558, 2982, 3837, 4118, 5116, 5964, 6177, 7674, 8236, 8953, 12354, 14413, 15348, 17906, 24708, 26859, 28826, 35812, 37091, 43239, 53718, 57652, 74182, 86478, 90809, 107436, 111273, 148364, 172956, 181618, 222546, 259637, 272427, 363236, 445092, 519274, 544854, 635663, 778911, 1038548, 1089708, 1271326, 1557822, 1906989, 2542652, 2633461, 3115644, 3813978, 5266922, 7627956, 7900383, 10533844, 15800766, 18434227, 31601532, 36868454, 55302681, 73736908, 110605362, 221210724]

約数ペア:

[(1, 221210724), (2, 110605362), (3, 73736908), (4, 55302681), (6, 36868454), (7, 31601532), (12, 18434227), (14, 15800766), (21, 10533844), (28, 7900383), (29, 7627956), (42, 5266922), (58, 3813978), (71, 3115644), (84, 2633461), (87, 2542652), (116, 1906989), (142, 1557822), (174, 1271326), (203, 1089708), (213, 1038548), (284, 778911), (348, 635663), (406, 544854), (426, 519274), (497, 445092), (609, 363236), (812, 272427), (852, 259637), (994, 222546), (1218, 181618), (1279, 172956), (1491, 148364), (1988, 111273), (2059, 107436), (2436, 90809), (2558, 86478), (2982, 74182), (3837, 57652), (4118, 53718), (5116, 43239), (5964, 37091), (6177, 35812), (7674, 28826), (8236, 26859), (8953, 24708), (12354, 17906), (14413, 15348)]