7788994064

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{25621691}}^1$

素因数の和:25621718

約数の個数: 20

約数和(自身を含む): 15885449040

約数和(自身を除く): 8096454976

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 25621691, 51243382, 102486764, 204973528, 409947056, 486812129, 973624258, 1947248516, 3894497032, 7788994064]

約数ペア:

[(1, 7788994064), (2, 3894497032), (4, 1947248516), (8, 973624258), (16, 486812129), (19, 409947056), (38, 204973528), (76, 102486764), (152, 51243382), (304, 25621691)]