131755316

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2657}}^1$

素因数の和:2709

約数の個数: 72

約数和(自身を含む): 305436096

約数和(自身を除く): 173680780

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 77, 92, 98, 154, 161, 196, 253, 308, 322, 506, 539, 644, 1012, 1078, 1127, 1771, 2156, 2254, 2657, 3542, 4508, 5314, 7084, 10628, 12397, 18599, 24794, 29227, 37198, 49588, 58454, 61111, 74396, 116908, 122222, 130193, 204589, 244444, 260386, 409178, 427777, 520772, 672221, 818356, 855554, 1344442, 1432123, 1711108, 2688884, 2864246, 2994439, 4705547, 5728492, 5988878, 9411094, 11977756, 18822188, 32938829, 65877658, 131755316]

約数ペア:

[(1, 131755316), (2, 65877658), (4, 32938829), (7, 18822188), (11, 11977756), (14, 9411094), (22, 5988878), (23, 5728492), (28, 4705547), (44, 2994439), (46, 2864246), (49, 2688884), (77, 1711108), (92, 1432123), (98, 1344442), (154, 855554), (161, 818356), (196, 672221), (253, 520772), (308, 427777), (322, 409178), (506, 260386), (539, 244444), (644, 204589), (1012, 130193), (1078, 122222), (1127, 116908), (1771, 74396), (2156, 61111), (2254, 58454), (2657, 49588), (3542, 37198), (4508, 29227), (5314, 24794), (7084, 18599), (10628, 12397)]