28720344

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{70393}}^1$

素因数の和:70419

約数の個数: 32

約数和(自身を含む): 76025520

約数和(自身を除く): 47305176

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 70393, 140786, 211179, 281572, 422358, 563144, 844716, 1196681, 1689432, 2393362, 3590043, 4786724, 7180086, 9573448, 14360172, 28720344]

約数ペア:

[(1, 28720344), (2, 14360172), (3, 9573448), (4, 7180086), (6, 4786724), (8, 3590043), (12, 2393362), (17, 1689432), (24, 1196681), (34, 844716), (51, 563144), (68, 422358), (102, 281572), (136, 211179), (204, 140786), (408, 70393)]