1238798975

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2096

約数の個数: 36

約数和(自身を含む): 1640790816

約数和(自身を除く): 401991841

約数列:

[1, 5, 23, 25, 47, 115, 235, 529, 575, 1081, 1175, 1993, 2645, 5405, 9965, 13225, 24863, 27025, 45839, 49825, 93671, 124315, 229195, 468355, 621575, 1054297, 1145975, 2154433, 2341775, 5271485, 10772165, 26357425, 49551959, 53860825, 247759795, 1238798975]

約数ペア:

[(1, 1238798975), (5, 247759795), (23, 53860825), (25, 49551959), (47, 26357425), (115, 10772165), (235, 5271485), (529, 2341775), (575, 2154433), (1081, 1145975), (1175, 1054297), (1993, 621575), (2645, 468355), (5405, 229195), (9965, 124315), (13225, 93671), (24863, 49825), (27025, 45839)]