248628891

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 397267200

約数和(自身を除く): 148638309

約数列:

[1, 3, 7, 21, 49, 59, 109, 147, 177, 263, 327, 413, 763, 789, 1239, 1841, 2289, 2891, 5341, 5523, 6431, 8673, 12887, 15517, 16023, 19293, 28667, 38661, 45017, 46551, 86001, 108619, 135051, 200669, 315119, 325857, 602007, 760333, 945357, 1404683, 1691353, 2280999, 4214049, 5074059, 11839471, 35518413, 82876297, 248628891]

約数ペア:

[(1, 248628891), (3, 82876297), (7, 35518413), (21, 11839471), (49, 5074059), (59, 4214049), (109, 2280999), (147, 1691353), (177, 1404683), (263, 945357), (327, 760333), (413, 602007), (763, 325857), (789, 315119), (1239, 200669), (1841, 135051), (2289, 108619), (2891, 86001), (5341, 46551), (5523, 45017), (6431, 38661), (8673, 28667), (12887, 19293), (15517, 16023)]