72581392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{348949}}^1$

素因数の和:348970

約数の個数: 20

約数和(自身を含む): 151444300

約数和(自身を除く): 78862908

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 348949, 697898, 1395796, 2791592, 4536337, 5583184, 9072674, 18145348, 36290696, 72581392]

約数ペア:

[(1, 72581392), (2, 36290696), (4, 18145348), (8, 9072674), (13, 5583184), (16, 4536337), (26, 2791592), (52, 1395796), (104, 697898), (208, 348949)]