8123581268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1979}}^1\times {\mathrm{3217}}^1$

素因数の和:5240

約数の個数: 48

約数和(自身を含む): 16056532800

約数和(自身を除く): 7932951532

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 1979, 3217, 3958, 6434, 7916, 12868, 21769, 35387, 43538, 57391, 70774, 87076, 93293, 114782, 141548, 186586, 229564, 373172, 631301, 1026223, 1262602, 2052446, 2525204, 4104892, 6366443, 12732886, 25465772, 70030873, 140061746, 184626847, 280123492, 369253694, 738507388, 2030895317, 4061790634, 8123581268]

約数ペア:

[(1, 8123581268), (2, 4061790634), (4, 2030895317), (11, 738507388), (22, 369253694), (29, 280123492), (44, 184626847), (58, 140061746), (116, 70030873), (319, 25465772), (638, 12732886), (1276, 6366443), (1979, 4104892), (3217, 2525204), (3958, 2052446), (6434, 1262602), (7916, 1026223), (12868, 631301), (21769, 373172), (35387, 229564), (43538, 186586), (57391, 141548), (70774, 114782), (87076, 93293)]