81780230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{1607}}^1$

素因数の和:2348

約数の個数: 32

約数和(自身を含む): 168569856

約数和(自身を除く): 86789626

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 727, 1454, 1607, 3214, 3635, 5089, 7270, 8035, 10178, 11249, 16070, 22498, 25445, 50890, 56245, 112490, 1168289, 2336578, 5841445, 8178023, 11682890, 16356046, 40890115, 81780230]

約数ペア:

[(1, 81780230), (2, 40890115), (5, 16356046), (7, 11682890), (10, 8178023), (14, 5841445), (35, 2336578), (70, 1168289), (727, 112490), (1454, 56245), (1607, 50890), (3214, 25445), (3635, 22498), (5089, 16070), (7270, 11249), (8035, 10178)]