247406978

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{194197}}^1$

素因数の和:194226

約数の個数: 24

約数和(自身を含む): 464910012

約数和(自身を除く): 217503034

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 194197, 388394, 1359379, 2524561, 2718758, 5049122, 9515653, 17671927, 19031306, 35343854, 123703489, 247406978]

約数ペア:

[(1, 247406978), (2, 123703489), (7, 35343854), (13, 19031306), (14, 17671927), (26, 9515653), (49, 5049122), (91, 2718758), (98, 2524561), (182, 1359379), (637, 388394), (1274, 194197)]