28555788

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 70076160

約数和(自身を除く): 41520372

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 157, 276, 314, 471, 628, 659, 942, 1318, 1884, 1977, 2636, 3611, 3954, 7222, 7908, 10833, 14444, 15157, 21666, 30314, 43332, 45471, 60628, 90942, 103463, 181884, 206926, 310389, 413852, 620778, 1241556, 2379649, 4759298, 7138947, 9518596, 14277894, 28555788]

約数ペア:

[(1, 28555788), (2, 14277894), (3, 9518596), (4, 7138947), (6, 4759298), (12, 2379649), (23, 1241556), (46, 620778), (69, 413852), (92, 310389), (138, 206926), (157, 181884), (276, 103463), (314, 90942), (471, 60628), (628, 45471), (659, 43332), (942, 30314), (1318, 21666), (1884, 15157), (1977, 14444), (2636, 10833), (3611, 7908), (3954, 7222)]