1288894285

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{761}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 1868009472

約数和(自身を除く): 579115187

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 223, 245, 761, 1085, 1115, 1519, 1561, 3805, 5327, 6913, 7595, 7805, 10927, 23591, 26635, 34565, 37289, 48391, 54635, 117955, 165137, 169703, 186445, 241955, 338737, 825685, 848515, 1155959, 1187921, 1693685, 5260793, 5779795, 5939605, 8315447, 26303965, 36825551, 41577235, 184127755, 257778857, 1288894285]

約数ペア:

[(1, 1288894285), (5, 257778857), (7, 184127755), (31, 41577235), (35, 36825551), (49, 26303965), (155, 8315447), (217, 5939605), (223, 5779795), (245, 5260793), (761, 1693685), (1085, 1187921), (1115, 1155959), (1519, 848515), (1561, 825685), (3805, 338737), (5327, 241955), (6913, 186445), (7595, 169703), (7805, 165137), (10927, 117955), (23591, 54635), (26635, 48391), (34565, 37289)]