16860745

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:118

約数の個数: 36

約数和(自身を含む): 23772420

約数和(自身を除く): 6911675

約数列:

[1, 5, 11, 29, 31, 55, 121, 145, 155, 319, 341, 605, 899, 961, 1595, 1705, 3509, 3751, 4495, 4805, 9889, 10571, 17545, 18755, 27869, 49445, 52855, 108779, 116281, 139345, 306559, 543895, 581405, 1532795, 3372149, 16860745]

約数ペア:

[(1, 16860745), (5, 3372149), (11, 1532795), (29, 581405), (31, 543895), (55, 306559), (121, 139345), (145, 116281), (155, 108779), (319, 52855), (341, 49445), (605, 27869), (899, 18755), (961, 17545), (1595, 10571), (1705, 9889), (3509, 4805), (3751, 4495)]