217938238

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{255197}}^1$

素因数の和:255267

約数の個数: 16

約数和(自身を含む): 379734624

約数和(自身を除く): 161796386

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 255197, 510394, 1786379, 3572758, 15567017, 31134034, 108969119, 217938238]

約数ペア:

[(1, 217938238), (2, 108969119), (7, 31134034), (14, 15567017), (61, 3572758), (122, 1786379), (427, 510394), (854, 255197)]