217978918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1\times {\mathrm{4241}}^1$

素因数の和:5103

約数の個数: 16

約数和(自身を含む): 338002560

約数和(自身を除く): 120023642

約数列:

[1, 2, 31, 62, 829, 1658, 4241, 8482, 25699, 51398, 131471, 262942, 3515789, 7031578, 108989459, 217978918]

約数ペア:

[(1, 217978918), (2, 108989459), (31, 7031578), (62, 3515789), (829, 262942), (1658, 131471), (4241, 51398), (8482, 25699)]