721380752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2372963}}^1$

素因数の和:2372990

約数の個数: 20

約数和(自身を含む): 1471237680

約数和(自身を除く): 749856928

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2372963, 4745926, 9491852, 18983704, 37967408, 45086297, 90172594, 180345188, 360690376, 721380752]

約数ペア:

[(1, 721380752), (2, 360690376), (4, 180345188), (8, 90172594), (16, 45086297), (19, 37967408), (38, 18983704), (76, 9491852), (152, 4745926), (304, 2372963)]