406668668

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{1979}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 838252800

約数和(自身を除く): 431584132

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 179, 287, 358, 574, 716, 1148, 1253, 1979, 2506, 3958, 5012, 7339, 7916, 13853, 14678, 27706, 29356, 51373, 55412, 81139, 102746, 162278, 205492, 324556, 354241, 567973, 708482, 1135946, 1416964, 2271892, 2479687, 4959374, 9918748, 14523881, 29047762, 58095524, 101667167, 203334334, 406668668]

約数ペア:

[(1, 406668668), (2, 203334334), (4, 101667167), (7, 58095524), (14, 29047762), (28, 14523881), (41, 9918748), (82, 4959374), (164, 2479687), (179, 2271892), (287, 1416964), (358, 1135946), (574, 708482), (716, 567973), (1148, 354241), (1253, 324556), (1979, 205492), (2506, 162278), (3958, 102746), (5012, 81139), (7339, 55412), (7916, 51373), (13853, 29356), (14678, 27706)]