78918896

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 186863040

約数和(自身を除く): 107944144

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 181, 229, 238, 272, 362, 458, 476, 724, 916, 952, 1267, 1448, 1603, 1832, 1904, 2534, 2896, 3077, 3206, 3664, 3893, 5068, 6154, 6412, 7786, 10136, 12308, 12824, 15572, 20272, 21539, 24616, 25648, 27251, 31144, 41449, 43078, 49232, 54502, 62288, 82898, 86156, 109004, 165796, 172312, 218008, 290143, 331592, 344624, 436016, 580286, 663184, 704633, 1160572, 1409266, 2321144, 2818532, 4642288, 4932431, 5637064, 9864862, 11274128, 19729724, 39459448, 78918896]

約数ペア:

[(1, 78918896), (2, 39459448), (4, 19729724), (7, 11274128), (8, 9864862), (14, 5637064), (16, 4932431), (17, 4642288), (28, 2818532), (34, 2321144), (56, 1409266), (68, 1160572), (112, 704633), (119, 663184), (136, 580286), (181, 436016), (229, 344624), (238, 331592), (272, 290143), (362, 218008), (458, 172312), (476, 165796), (724, 109004), (916, 86156), (952, 82898), (1267, 62288), (1448, 54502), (1603, 49232), (1832, 43078), (1904, 41449), (2534, 31144), (2896, 27251), (3077, 25648), (3206, 24616), (3664, 21539), (3893, 20272), (5068, 15572), (6154, 12824), (6412, 12308), (7786, 10136)]