645636749

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{3359}}^1$

素因数の和:3580

約数の個数: 16

約数和(自身を含む): 689955840

約数和(自身を除く): 44319091

約数列:

[1, 23, 61, 137, 1403, 3151, 3359, 8357, 77257, 192211, 204899, 460183, 4712677, 10584209, 28071163, 645636749]

約数ペア:

[(1, 645636749), (23, 28071163), (61, 10584209), (137, 4712677), (1403, 460183), (3151, 204899), (3359, 192211), (8357, 77257)]