7131784045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1\times {\mathrm{1619}}^1$

素因数の和:2253

約数の個数: 32

約数和(自身を含む): 9132912000

約数和(自身を除く): 2001127955

約数列:

[1, 5, 19, 89, 95, 445, 521, 1619, 1691, 2605, 8095, 8455, 9899, 30761, 46369, 49495, 144091, 153805, 231845, 720455, 843499, 881011, 2737729, 4217495, 4405055, 13688645, 16026481, 75071411, 80132405, 375357055, 1426356809, 7131784045]

約数ペア:

[(1, 7131784045), (5, 1426356809), (19, 375357055), (89, 80132405), (95, 75071411), (445, 16026481), (521, 13688645), (1619, 4405055), (1691, 4217495), (2605, 2737729), (8095, 881011), (8455, 843499), (9899, 720455), (30761, 231845), (46369, 153805), (49495, 144091)]