217272482

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{78779}}^1$

素因数の和:78985

約数の個数: 16

約数和(自身を含む): 374362560

約数和(自身を除く): 157090078

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 78779, 157558, 551453, 1102906, 15519463, 31038926, 108636241, 217272482]

約数ペア:

[(1, 217272482), (2, 108636241), (7, 31038926), (14, 15519463), (197, 1102906), (394, 551453), (1379, 157558), (2758, 78779)]