28231212

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{439}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 69189120

約数和(自身を除く): 40957908

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 233, 276, 439, 466, 699, 878, 932, 1317, 1398, 1756, 2634, 2796, 5268, 5359, 10097, 10718, 16077, 20194, 21436, 30291, 32154, 40388, 60582, 64308, 102287, 121164, 204574, 306861, 409148, 613722, 1227444, 2352601, 4705202, 7057803, 9410404, 14115606, 28231212]

約数ペア:

[(1, 28231212), (2, 14115606), (3, 9410404), (4, 7057803), (6, 4705202), (12, 2352601), (23, 1227444), (46, 613722), (69, 409148), (92, 306861), (138, 204574), (233, 121164), (276, 102287), (439, 64308), (466, 60582), (699, 40388), (878, 32154), (932, 30291), (1317, 21436), (1398, 20194), (1756, 16077), (2634, 10718), (2796, 10097), (5268, 5359)]