207890221021

素因数分解:

$7^1\times {\mathrm{211}}^1\times {\mathrm{1049}}^1\times {\mathrm{134177}}^1$

素因数の和:135444

約数の個数: 16

約数和(自身を含む): 238944182400

約数和(自身を除く): 31053961379

約数列:

[1, 7, 211, 1049, 1477, 7343, 134177, 221339, 939239, 1549373, 28311347, 140751673, 198179429, 985261711, 29698603003, 207890221021]

約数ペア:

[(1, 207890221021), (7, 29698603003), (211, 985261711), (1049, 198179429), (1477, 140751673), (7343, 28311347), (134177, 1549373), (221339, 939239)]