263756688

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1277}}^1$

素因数の和:1632

約数の個数: 80

約数和(自身を含む): 736577856

約数和(自身を除く): 472821168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 331, 624, 662, 993, 1277, 1324, 1986, 2554, 2648, 3831, 3972, 4303, 5108, 5296, 7662, 7944, 8606, 10216, 12909, 15324, 15888, 16601, 17212, 20432, 25818, 30648, 33202, 34424, 49803, 51636, 61296, 66404, 68848, 99606, 103272, 132808, 199212, 206544, 265616, 398424, 422687, 796848, 845374, 1268061, 1690748, 2536122, 3381496, 5072244, 5494931, 6762992, 10144488, 10989862, 16484793, 20288976, 21979724, 32969586, 43959448, 65939172, 87918896, 131878344, 263756688]

約数ペア:

[(1, 263756688), (2, 131878344), (3, 87918896), (4, 65939172), (6, 43959448), (8, 32969586), (12, 21979724), (13, 20288976), (16, 16484793), (24, 10989862), (26, 10144488), (39, 6762992), (48, 5494931), (52, 5072244), (78, 3381496), (104, 2536122), (156, 1690748), (208, 1268061), (312, 845374), (331, 796848), (624, 422687), (662, 398424), (993, 265616), (1277, 206544), (1324, 199212), (1986, 132808), (2554, 103272), (2648, 99606), (3831, 68848), (3972, 66404), (4303, 61296), (5108, 51636), (5296, 49803), (7662, 34424), (7944, 33202), (8606, 30648), (10216, 25818), (12909, 20432), (15324, 17212), (15888, 16601)]