128573456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{38449}}^1$

素因数の和:38487

約数の個数: 40

約数和(自身を含む): 286068000

約数和(自身を除く): 157494544

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 38449, 76898, 153796, 307592, 422939, 615184, 730531, 845878, 1461062, 1691756, 2922124, 3383512, 5844248, 6767024, 8035841, 11688496, 16071682, 32143364, 64286728, 128573456]

約数ペア:

[(1, 128573456), (2, 64286728), (4, 32143364), (8, 16071682), (11, 11688496), (16, 8035841), (19, 6767024), (22, 5844248), (38, 3383512), (44, 2922124), (76, 1691756), (88, 1461062), (152, 845878), (176, 730531), (209, 615184), (304, 422939), (418, 307592), (836, 153796), (1672, 76898), (3344, 38449)]