71643187

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4723}}^1$

素因数の和:4938

約数の個数: 16

約数和(自身を含む): 89793792

約数和(自身を除く): 18150605

約数列:

[1, 7, 11, 77, 197, 1379, 2167, 4723, 15169, 33061, 51953, 363671, 930431, 6513017, 10234741, 71643187]

約数ペア:

[(1, 71643187), (7, 10234741), (11, 6513017), (77, 930431), (197, 363671), (1379, 51953), (2167, 33061), (4723, 15169)]