1991115842

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1\times {\mathrm{1579}}^1$

素因数の和:2030

約数の個数: 32

約数和(自身を含む): 3167078400

約数和(自身を除く): 1175962558

約数列:

[1, 2, 23, 46, 79, 158, 347, 694, 1579, 1817, 3158, 3634, 7981, 15962, 27413, 36317, 54826, 72634, 124741, 249482, 547913, 630499, 1095826, 1260998, 2869043, 5738086, 12601999, 25203998, 43285127, 86570254, 995557921, 1991115842]

約数ペア:

[(1, 1991115842), (2, 995557921), (23, 86570254), (46, 43285127), (79, 25203998), (158, 12601999), (347, 5738086), (694, 2869043), (1579, 1260998), (1817, 1095826), (3158, 630499), (3634, 547913), (7981, 249482), (15962, 124741), (27413, 72634), (36317, 54826)]