31717903

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 40310784

約数和(自身を除く): 8592881

約数列:

[1, 7, 17, 47, 53, 107, 119, 329, 371, 749, 799, 901, 1819, 2491, 5029, 5593, 5671, 6307, 12733, 17437, 35203, 39697, 42347, 85493, 96407, 266537, 296429, 598451, 674849, 1865759, 4531129, 31717903]

約数ペア:

[(1, 31717903), (7, 4531129), (17, 1865759), (47, 674849), (53, 598451), (107, 296429), (119, 266537), (329, 96407), (371, 85493), (749, 42347), (799, 39697), (901, 35203), (1819, 17437), (2491, 12733), (5029, 6307), (5593, 5671)]