81421444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53993}}^1$

素因数の和:54039

約数の個数: 24

約数和(自身を含む): 158742360

約数和(自身を除く): 77320916

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 53993, 107986, 215972, 701909, 1403818, 1565797, 2807636, 3131594, 6263188, 20355361, 40710722, 81421444]

約数ペア:

[(1, 81421444), (2, 40710722), (4, 20355361), (13, 6263188), (26, 3131594), (29, 2807636), (52, 1565797), (58, 1403818), (116, 701909), (377, 215972), (754, 107986), (1508, 53993)]