181981842

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 460062720

約数和(自身を除く): 278080878

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 31, 42, 46, 59, 62, 69, 93, 103, 118, 138, 161, 177, 186, 206, 217, 309, 322, 354, 413, 434, 483, 618, 651, 713, 721, 826, 966, 1239, 1302, 1357, 1426, 1442, 1829, 2139, 2163, 2369, 2478, 2714, 3193, 3658, 4071, 4278, 4326, 4738, 4991, 5487, 6077, 6386, 7107, 8142, 9499, 9579, 9982, 10974, 12154, 12803, 14214, 14973, 16583, 18231, 18998, 19158, 22351, 25606, 28497, 29946, 33166, 36462, 38409, 42067, 42539, 44702, 49749, 56994, 67053, 73439, 76818, 84134, 85078, 99498, 126201, 127617, 134106, 139771, 146878, 188387, 220317, 252402, 255234, 279542, 294469, 376774, 419313, 440634, 514073, 565161, 588938, 838626, 883407, 978397, 1028146, 1130322, 1318709, 1542219, 1766814, 1956794, 2637418, 2935191, 3084438, 3956127, 4332901, 5870382, 7912254, 8665802, 12998703, 25997406, 30330307, 60660614, 90990921, 181981842]

約数ペア:

[(1, 181981842), (2, 90990921), (3, 60660614), (6, 30330307), (7, 25997406), (14, 12998703), (21, 8665802), (23, 7912254), (31, 5870382), (42, 4332901), (46, 3956127), (59, 3084438), (62, 2935191), (69, 2637418), (93, 1956794), (103, 1766814), (118, 1542219), (138, 1318709), (161, 1130322), (177, 1028146), (186, 978397), (206, 883407), (217, 838626), (309, 588938), (322, 565161), (354, 514073), (413, 440634), (434, 419313), (483, 376774), (618, 294469), (651, 279542), (713, 255234), (721, 252402), (826, 220317), (966, 188387), (1239, 146878), (1302, 139771), (1357, 134106), (1426, 127617), (1442, 126201), (1829, 99498), (2139, 85078), (2163, 84134), (2369, 76818), (2478, 73439), (2714, 67053), (3193, 56994), (3658, 49749), (4071, 44702), (4278, 42539), (4326, 42067), (4738, 38409), (4991, 36462), (5487, 33166), (6077, 29946), (6386, 28497), (7107, 25606), (8142, 22351), (9499, 19158), (9579, 18998), (9982, 18231), (10974, 16583), (12154, 14973), (12803, 14214)]