81381864

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{178469}}^1$

素因数の和:178497

約数の個数: 32

約数和(自身を含む): 214164000

約数和(自身を除く): 132782136

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 178469, 356938, 535407, 713876, 1070814, 1427752, 2141628, 3390911, 4283256, 6781822, 10172733, 13563644, 20345466, 27127288, 40690932, 81381864]

約数ペア:

[(1, 81381864), (2, 40690932), (3, 27127288), (4, 20345466), (6, 13563644), (8, 10172733), (12, 6781822), (19, 4283256), (24, 3390911), (38, 2141628), (57, 1427752), (76, 1070814), (114, 713876), (152, 535407), (228, 356938), (456, 178469)]