39891928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{563}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 79490160

約数和(自身を除く): 39598232

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 521, 563, 1042, 1126, 2084, 2252, 4168, 4504, 8857, 9571, 17714, 19142, 35428, 38284, 70856, 76568, 293323, 586646, 1173292, 2346584, 4986491, 9972982, 19945964, 39891928]

約数ペア:

[(1, 39891928), (2, 19945964), (4, 9972982), (8, 4986491), (17, 2346584), (34, 1173292), (68, 586646), (136, 293323), (521, 76568), (563, 70856), (1042, 38284), (1126, 35428), (2084, 19142), (2252, 17714), (4168, 9571), (4504, 8857)]