138800431

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 185016832

約数和(自身を除く): 46216401

約数列:

[1, 7, 11, 37, 43, 77, 103, 121, 259, 301, 407, 473, 721, 847, 1133, 1591, 2849, 3311, 3811, 4429, 4477, 5203, 7931, 11137, 12463, 17501, 26677, 31003, 31339, 36421, 41921, 48719, 87241, 122507, 163873, 192511, 293447, 341033, 461131, 535909, 1147111, 1347577, 1802603, 3227917, 3751363, 12618221, 19828633, 138800431]

約数ペア:

[(1, 138800431), (7, 19828633), (11, 12618221), (37, 3751363), (43, 3227917), (77, 1802603), (103, 1347577), (121, 1147111), (259, 535909), (301, 461131), (407, 341033), (473, 293447), (721, 192511), (847, 163873), (1133, 122507), (1591, 87241), (2849, 48719), (3311, 41921), (3811, 36421), (4429, 31339), (4477, 31003), (5203, 26677), (7931, 17501), (11137, 12463)]