81867478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31271}}^1$

素因数の和:31308

約数の個数: 32

約数和(自身を含む): 162114048

約数和(自身を除く): 80246570

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 31271, 62542, 218897, 343981, 437794, 531607, 687962, 1063214, 2407867, 3721249, 4815734, 5847677, 7442498, 11695354, 40933739, 81867478]

約数ペア:

[(1, 81867478), (2, 40933739), (7, 11695354), (11, 7442498), (14, 5847677), (17, 4815734), (22, 3721249), (34, 2407867), (77, 1063214), (119, 687962), (154, 531607), (187, 437794), (238, 343981), (374, 218897), (1309, 62542), (2618, 31271)]