287768488

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{347}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 631411200

約数和(自身を除く): 343642712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 251, 347, 413, 472, 502, 694, 826, 1004, 1388, 1652, 1757, 2008, 2429, 2776, 3304, 3514, 4858, 7028, 9716, 14056, 14809, 19432, 20473, 29618, 40946, 59236, 81892, 87097, 103663, 118472, 143311, 163784, 174194, 207326, 286622, 348388, 414652, 573244, 609679, 696776, 829304, 1146488, 1219358, 2438716, 4877432, 5138723, 10277446, 20554892, 35971061, 41109784, 71942122, 143884244, 287768488]

約数ペア:

[(1, 287768488), (2, 143884244), (4, 71942122), (7, 41109784), (8, 35971061), (14, 20554892), (28, 10277446), (56, 5138723), (59, 4877432), (118, 2438716), (236, 1219358), (251, 1146488), (347, 829304), (413, 696776), (472, 609679), (502, 573244), (694, 414652), (826, 348388), (1004, 286622), (1388, 207326), (1652, 174194), (1757, 163784), (2008, 143311), (2429, 118472), (2776, 103663), (3304, 87097), (3514, 81892), (4858, 59236), (7028, 40946), (9716, 29618), (14056, 20473), (14809, 19432)]