28312570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1523}}^1$

素因数の和:1567

約数の個数: 48

約数和(自身を含む): 60240672

約数和(自身を除く): 31928102

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1430, 1523, 1690, 1859, 3046, 3718, 7615, 9295, 15230, 16753, 18590, 19799, 33506, 39598, 83765, 98995, 167530, 197990, 217789, 257387, 435578, 514774, 1088945, 1286935, 2177890, 2573870, 2831257, 5662514, 14156285, 28312570]

約数ペア:

[(1, 28312570), (2, 14156285), (5, 5662514), (10, 2831257), (11, 2573870), (13, 2177890), (22, 1286935), (26, 1088945), (55, 514774), (65, 435578), (110, 257387), (130, 217789), (143, 197990), (169, 167530), (286, 98995), (338, 83765), (715, 39598), (845, 33506), (1430, 19799), (1523, 18590), (1690, 16753), (1859, 15230), (3046, 9295), (3718, 7615)]