128581684

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2593}}^1$

素因数の和:2645

約数の個数: 72

約数和(自身を含む): 298081728

約数和(自身を除く): 169500044

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, 2593, 3542, 4508, 5186, 7084, 10372, 12397, 18151, 24794, 28523, 36302, 49588, 57046, 59639, 72604, 114092, 119278, 127057, 199661, 238556, 254114, 399322, 417473, 508228, 656029, 798644, 834946, 1312058, 1397627, 1669892, 2624116, 2795254, 2922311, 4592203, 5590508, 5844622, 9184406, 11689244, 18368812, 32145421, 64290842, 128581684]

約数ペア:

[(1, 128581684), (2, 64290842), (4, 32145421), (7, 18368812), (11, 11689244), (14, 9184406), (22, 5844622), (23, 5590508), (28, 4592203), (44, 2922311), (46, 2795254), (49, 2624116), (77, 1669892), (92, 1397627), (98, 1312058), (154, 834946), (161, 798644), (196, 656029), (253, 508228), (308, 417473), (322, 399322), (506, 254114), (539, 238556), (644, 199661), (1012, 127057), (1078, 119278), (1127, 114092), (1771, 72604), (2156, 59639), (2254, 57046), (2593, 49588), (3542, 36302), (4508, 28523), (5186, 24794), (7084, 18151), (10372, 12397)]