9972739

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 12096000

約数和(自身を除く): 2123261

約数列:

[1, 7, 19, 133, 167, 449, 1169, 3143, 3173, 8531, 22211, 59717, 74983, 524881, 1424677, 9972739]

約数ペア:

[(1, 9972739), (7, 1424677), (19, 524881), (133, 74983), (167, 59717), (449, 22211), (1169, 8531), (3143, 3173)]