8686916

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 19305216

約数和(自身を除く): 10618300

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 47, 49, 82, 92, 94, 98, 161, 164, 188, 196, 287, 322, 329, 574, 644, 658, 943, 1081, 1127, 1148, 1316, 1886, 1927, 2009, 2162, 2254, 2303, 3772, 3854, 4018, 4324, 4508, 4606, 6601, 7567, 7708, 8036, 9212, 13202, 13489, 15134, 26404, 26978, 30268, 44321, 46207, 52969, 53956, 88642, 92414, 94423, 105938, 177284, 184828, 188846, 211876, 310247, 377692, 620494, 1240988, 2171729, 4343458, 8686916]

約数ペア:

[(1, 8686916), (2, 4343458), (4, 2171729), (7, 1240988), (14, 620494), (23, 377692), (28, 310247), (41, 211876), (46, 188846), (47, 184828), (49, 177284), (82, 105938), (92, 94423), (94, 92414), (98, 88642), (161, 53956), (164, 52969), (188, 46207), (196, 44321), (287, 30268), (322, 26978), (329, 26404), (574, 15134), (644, 13489), (658, 13202), (943, 9212), (1081, 8036), (1127, 7708), (1148, 7567), (1316, 6601), (1886, 4606), (1927, 4508), (2009, 4324), (2162, 4018), (2254, 3854), (2303, 3772)]