28685228

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 61311936

約数和(自身を除く): 32626708

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 47, 52, 94, 97, 121, 143, 188, 194, 242, 286, 388, 484, 517, 572, 611, 1034, 1067, 1222, 1261, 1573, 2068, 2134, 2444, 2522, 3146, 4268, 4559, 5044, 5687, 6292, 6721, 9118, 11374, 11737, 13442, 13871, 18236, 22748, 23474, 26884, 27742, 46948, 50149, 55484, 59267, 73931, 100298, 118534, 147862, 152581, 200596, 237068, 295724, 305162, 551639, 610324, 651937, 1103278, 1303874, 2206556, 2607748, 7171307, 14342614, 28685228]

約数ペア:

[(1, 28685228), (2, 14342614), (4, 7171307), (11, 2607748), (13, 2206556), (22, 1303874), (26, 1103278), (44, 651937), (47, 610324), (52, 551639), (94, 305162), (97, 295724), (121, 237068), (143, 200596), (188, 152581), (194, 147862), (242, 118534), (286, 100298), (388, 73931), (484, 59267), (517, 55484), (572, 50149), (611, 46948), (1034, 27742), (1067, 26884), (1222, 23474), (1261, 22748), (1573, 18236), (2068, 13871), (2134, 13442), (2444, 11737), (2522, 11374), (3146, 9118), (4268, 6721), (4559, 6292), (5044, 5687)]