78771484

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{162751}}^1$

素因数の和:162777

約数の個数: 18

約数和(自身を含む): 151522112

約数和(自身を除く): 72750628

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 162751, 325502, 651004, 1790261, 3580522, 7161044, 19692871, 39385742, 78771484]

約数ペア:

[(1, 78771484), (2, 39385742), (4, 19692871), (11, 7161044), (22, 3580522), (44, 1790261), (121, 651004), (242, 325502), (484, 162751)]