78985809968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{379739471}}^1$

素因数の和:379739492

約数の個数: 20

約数和(自身を含む): 164806930848

約数和(自身を除く): 85821120880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 379739471, 759478942, 1518957884, 3037915768, 4936613123, 6075831536, 9873226246, 19746452492, 39492904984, 78985809968]

約数ペア:

[(1, 78985809968), (2, 39492904984), (4, 19746452492), (8, 9873226246), (13, 6075831536), (16, 4936613123), (26, 3037915768), (52, 1518957884), (104, 759478942), (208, 379739471)]