25013681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 8516431

約数列:

[1, 7, 11, 17, 77, 97, 119, 187, 197, 679, 1067, 1309, 1379, 1649, 2167, 3349, 7469, 11543, 15169, 18139, 19109, 23443, 36839, 126973, 133763, 210199, 257873, 324853, 1471393, 2273971, 3573383, 25013681]

約数ペア:

[(1, 25013681), (7, 3573383), (11, 2273971), (17, 1471393), (77, 324853), (97, 257873), (119, 210199), (187, 133763), (197, 126973), (679, 36839), (1067, 23443), (1309, 19109), (1379, 18139), (1649, 15169), (2167, 11543), (3349, 7469)]