128804921

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{683}}^1\times {\mathrm{929}}^1$

素因数の和:1648

約数の個数: 16

約数和(自身を含む): 152668800

約数和(自身を除く): 23863879

約数列:

[1, 7, 29, 203, 683, 929, 4781, 6503, 19807, 26941, 138649, 188587, 634507, 4441549, 18400703, 128804921]

約数ペア:

[(1, 128804921), (7, 18400703), (29, 4441549), (203, 634507), (683, 188587), (929, 138649), (4781, 26941), (6503, 19807)]