28068376

素因数分解:

$2^3\times 7^3\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 62856000

約数和(自身を除く): 34787624

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 193, 196, 212, 343, 371, 386, 392, 424, 686, 742, 772, 1351, 1372, 1484, 1544, 2597, 2702, 2744, 2968, 5194, 5404, 9457, 10229, 10388, 10808, 18179, 18914, 20458, 20776, 36358, 37828, 40916, 66199, 71603, 72716, 75656, 81832, 132398, 143206, 145432, 264796, 286412, 501221, 529592, 572824, 1002442, 2004884, 3508547, 4009768, 7017094, 14034188, 28068376]

約数ペア:

[(1, 28068376), (2, 14034188), (4, 7017094), (7, 4009768), (8, 3508547), (14, 2004884), (28, 1002442), (49, 572824), (53, 529592), (56, 501221), (98, 286412), (106, 264796), (193, 145432), (196, 143206), (212, 132398), (343, 81832), (371, 75656), (386, 72716), (392, 71603), (424, 66199), (686, 40916), (742, 37828), (772, 36358), (1351, 20776), (1372, 20458), (1484, 18914), (1544, 18179), (2597, 10808), (2702, 10388), (2744, 10229), (2968, 9457), (5194, 5404)]