81389132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2053}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 167704992

約数和(自身を除く): 86315860

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 53, 68, 106, 187, 212, 374, 583, 748, 901, 1166, 1802, 2053, 2332, 3604, 4106, 8212, 9911, 19822, 22583, 34901, 39644, 45166, 69802, 90332, 108809, 139604, 217618, 383911, 435236, 767822, 1196899, 1535644, 1849753, 2393798, 3699506, 4787596, 7399012, 20347283, 40694566, 81389132]

約数ペア:

[(1, 81389132), (2, 40694566), (4, 20347283), (11, 7399012), (17, 4787596), (22, 3699506), (34, 2393798), (44, 1849753), (53, 1535644), (68, 1196899), (106, 767822), (187, 435236), (212, 383911), (374, 217618), (583, 139604), (748, 108809), (901, 90332), (1166, 69802), (1802, 45166), (2053, 39644), (2332, 34901), (3604, 22583), (4106, 19822), (8212, 9911)]