26779664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:807

約数の個数: 40

約数和(自身を含む): 55100640

約数和(自身を除く): 28320976

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 548, 643, 1096, 1286, 2192, 2572, 2603, 5144, 5206, 10288, 10412, 12217, 20824, 24434, 41648, 48868, 88091, 97736, 176182, 195472, 352364, 704728, 1409456, 1673729, 3347458, 6694916, 13389832, 26779664]

約数ペア:

[(1, 26779664), (2, 13389832), (4, 6694916), (8, 3347458), (16, 1673729), (19, 1409456), (38, 704728), (76, 352364), (137, 195472), (152, 176182), (274, 97736), (304, 88091), (548, 48868), (643, 41648), (1096, 24434), (1286, 20824), (2192, 12217), (2572, 10412), (2603, 10288), (5144, 5206)]