28123452

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 108

約数和(自身を含む): 84029400

約数和(自身を除く): 55905948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 107, 126, 147, 149, 196, 214, 252, 294, 298, 321, 428, 441, 447, 588, 596, 642, 749, 882, 894, 963, 1043, 1284, 1341, 1498, 1764, 1788, 1926, 2086, 2247, 2682, 2996, 3129, 3852, 4172, 4494, 5243, 5364, 6258, 6741, 7301, 8988, 9387, 10486, 12516, 13482, 14602, 15729, 15943, 18774, 20972, 21903, 26964, 29204, 31458, 31886, 37548, 43806, 47187, 47829, 62916, 63772, 65709, 87612, 94374, 95658, 111601, 131418, 143487, 188748, 191316, 223202, 262836, 286974, 334803, 446404, 573948, 669606, 781207, 1004409, 1339212, 1562414, 2008818, 2343621, 3124828, 4017636, 4687242, 7030863, 9374484, 14061726, 28123452]

約数ペア:

[(1, 28123452), (2, 14061726), (3, 9374484), (4, 7030863), (6, 4687242), (7, 4017636), (9, 3124828), (12, 2343621), (14, 2008818), (18, 1562414), (21, 1339212), (28, 1004409), (36, 781207), (42, 669606), (49, 573948), (63, 446404), (84, 334803), (98, 286974), (107, 262836), (126, 223202), (147, 191316), (149, 188748), (196, 143487), (214, 131418), (252, 111601), (294, 95658), (298, 94374), (321, 87612), (428, 65709), (441, 63772), (447, 62916), (588, 47829), (596, 47187), (642, 43806), (749, 37548), (882, 31886), (894, 31458), (963, 29204), (1043, 26964), (1284, 21903), (1341, 20972), (1498, 18774), (1764, 15943), (1788, 15729), (1926, 14602), (2086, 13482), (2247, 12516), (2682, 10486), (2996, 9387), (3129, 8988), (3852, 7301), (4172, 6741), (4494, 6258), (5243, 5364)]