390302978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{790087}}^1$

素因数の和:790121

約数の個数: 16

約数和(自身を含む): 663673920

約数和(自身を除く): 273370942

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 790087, 1580174, 10271131, 15011653, 20542262, 30023306, 195151489, 390302978]

約数ペア:

[(1, 390302978), (2, 195151489), (13, 30023306), (19, 20542262), (26, 15011653), (38, 10271131), (247, 1580174), (494, 790087)]