209498639

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{683}}^1\times {\mathrm{1511}}^1$

素因数の和:2230

約数の個数: 16

約数和(自身を含む): 248209920

約数和(自身を除く): 38711281

約数列:

[1, 7, 29, 203, 683, 1511, 4781, 10577, 19807, 43819, 138649, 306733, 1032013, 7224091, 29928377, 209498639]

約数ペア:

[(1, 209498639), (7, 29928377), (29, 7224091), (203, 1032013), (683, 306733), (1511, 138649), (4781, 43819), (10577, 19807)]