81492008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{733}}^1\times {\mathrm{1069}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 164929800

約数和(自身を除く): 83437792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 733, 1069, 1466, 2138, 2932, 4276, 5864, 8552, 9529, 13897, 19058, 27794, 38116, 55588, 76232, 111176, 783577, 1567154, 3134308, 6268616, 10186501, 20373002, 40746004, 81492008]

約数ペア:

[(1, 81492008), (2, 40746004), (4, 20373002), (8, 10186501), (13, 6268616), (26, 3134308), (52, 1567154), (104, 783577), (733, 111176), (1069, 76232), (1466, 55588), (2138, 38116), (2932, 27794), (4276, 19058), (5864, 13897), (8552, 9529)]