81872387

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4357}}^1$

素因数の和:4442

約数の個数: 16

約数和(自身を含む): 92040960

約数和(自身を除く): 10168573

約数列:

[1, 19, 23, 43, 437, 817, 989, 4357, 18791, 82783, 100211, 187351, 1904009, 3559669, 4309073, 81872387]

約数ペア:

[(1, 81872387), (19, 4309073), (23, 3559669), (43, 1904009), (437, 187351), (817, 100211), (989, 82783), (4357, 18791)]