1971295921

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{5717}}^1$

素因数の和:5989

約数の個数: 24

約数和(自身を含む): 2377956096

約数和(自身を除く): 406660175

約数列:

[1, 7, 31, 49, 217, 227, 1519, 1589, 5717, 7037, 11123, 40019, 49259, 177227, 280133, 344813, 1240589, 1297759, 8684123, 9084313, 40230529, 63590191, 281613703, 1971295921]

約数ペア:

[(1, 1971295921), (7, 281613703), (31, 63590191), (49, 40230529), (217, 9084313), (227, 8684123), (1519, 1297759), (1589, 1240589), (5717, 344813), (7037, 280133), (11123, 177227), (40019, 49259)]