209892487

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{8719}}^1$

素因数の和:8926

約数の個数: 16

約数和(自身を含む): 253926400

約数和(自身を除く): 44033913

約数列:

[1, 7, 19, 133, 181, 1267, 3439, 8719, 24073, 61033, 165661, 1159627, 1578139, 11046973, 29984641, 209892487]

約数ペア:

[(1, 209892487), (7, 29984641), (19, 11046973), (133, 1578139), (181, 1159627), (1267, 165661), (3439, 61033), (8719, 24073)]