321678784

素因数分解:

$2^6\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 112

約数和(自身を含む): 759902976

約数和(自身を除く): 438224192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 83, 112, 164, 166, 211, 224, 287, 328, 332, 422, 448, 574, 581, 656, 664, 844, 1148, 1162, 1312, 1328, 1477, 1688, 2296, 2324, 2624, 2656, 2954, 3376, 3403, 4592, 4648, 5312, 5908, 6752, 6806, 8651, 9184, 9296, 11816, 13504, 13612, 17302, 17513, 18368, 18592, 23632, 23821, 27224, 34604, 35026, 37184, 47264, 47642, 54448, 60557, 69208, 70052, 94528, 95284, 108896, 121114, 122591, 138416, 140104, 190568, 217792, 242228, 245182, 276832, 280208, 381136, 484456, 490364, 553664, 560416, 718033, 762272, 968912, 980728, 1120832, 1436066, 1524544, 1937824, 1961456, 2872132, 3875648, 3922912, 5026231, 5744264, 7845824, 10052462, 11488528, 20104924, 22977056, 40209848, 45954112, 80419696, 160839392, 321678784]

約数ペア:

[(1, 321678784), (2, 160839392), (4, 80419696), (7, 45954112), (8, 40209848), (14, 22977056), (16, 20104924), (28, 11488528), (32, 10052462), (41, 7845824), (56, 5744264), (64, 5026231), (82, 3922912), (83, 3875648), (112, 2872132), (164, 1961456), (166, 1937824), (211, 1524544), (224, 1436066), (287, 1120832), (328, 980728), (332, 968912), (422, 762272), (448, 718033), (574, 560416), (581, 553664), (656, 490364), (664, 484456), (844, 381136), (1148, 280208), (1162, 276832), (1312, 245182), (1328, 242228), (1477, 217792), (1688, 190568), (2296, 140104), (2324, 138416), (2624, 122591), (2656, 121114), (2954, 108896), (3376, 95284), (3403, 94528), (4592, 70052), (4648, 69208), (5312, 60557), (5908, 54448), (6752, 47642), (6806, 47264), (8651, 37184), (9184, 35026), (9296, 34604), (11816, 27224), (13504, 23821), (13612, 23632), (17302, 18592), (17513, 18368)]