1987297921

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{103349}}^1$

素因数の和:103464

約数の個数: 16

約数和(自身を含む): 2361340800

約数和(自身を除く): 374042879

約数列:

[1, 7, 41, 67, 287, 469, 2747, 19229, 103349, 723443, 4237309, 6924383, 29661163, 48470681, 283899703, 1987297921]

約数ペア:

[(1, 1987297921), (7, 283899703), (41, 48470681), (67, 29661163), (287, 6924383), (469, 4237309), (2747, 723443), (19229, 103349)]