128273964

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 381009888

約数和(自身を除く): 252735924

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 97, 98, 147, 156, 173, 182, 194, 196, 273, 291, 294, 346, 364, 388, 519, 546, 582, 588, 637, 679, 692, 1038, 1092, 1164, 1211, 1261, 1274, 1358, 1911, 2037, 2076, 2249, 2422, 2522, 2548, 2716, 3633, 3783, 3822, 4074, 4498, 4753, 4844, 5044, 6747, 7266, 7566, 7644, 8148, 8477, 8827, 8996, 9506, 13494, 14259, 14532, 15132, 15743, 16781, 16954, 17654, 19012, 25431, 26481, 26988, 28518, 31486, 33562, 33908, 35308, 47229, 50343, 50862, 52962, 57036, 61789, 62972, 67124, 94458, 100686, 101724, 105924, 110201, 117467, 123578, 185367, 188916, 201372, 218153, 220402, 234934, 247156, 330603, 352401, 370734, 436306, 440804, 469868, 654459, 661206, 704802, 741468, 822269, 872612, 1308918, 1322412, 1409604, 1527071, 1644538, 2466807, 2617836, 3054142, 3289076, 4581213, 4933614, 6108284, 9162426, 9867228, 10689497, 18324852, 21378994, 32068491, 42757988, 64136982, 128273964]

約数ペア:

[(1, 128273964), (2, 64136982), (3, 42757988), (4, 32068491), (6, 21378994), (7, 18324852), (12, 10689497), (13, 9867228), (14, 9162426), (21, 6108284), (26, 4933614), (28, 4581213), (39, 3289076), (42, 3054142), (49, 2617836), (52, 2466807), (78, 1644538), (84, 1527071), (91, 1409604), (97, 1322412), (98, 1308918), (147, 872612), (156, 822269), (173, 741468), (182, 704802), (194, 661206), (196, 654459), (273, 469868), (291, 440804), (294, 436306), (346, 370734), (364, 352401), (388, 330603), (519, 247156), (546, 234934), (582, 220402), (588, 218153), (637, 201372), (679, 188916), (692, 185367), (1038, 123578), (1092, 117467), (1164, 110201), (1211, 105924), (1261, 101724), (1274, 100686), (1358, 94458), (1911, 67124), (2037, 62972), (2076, 61789), (2249, 57036), (2422, 52962), (2522, 50862), (2548, 50343), (2716, 47229), (3633, 35308), (3783, 33908), (3822, 33562), (4074, 31486), (4498, 28518), (4753, 26988), (4844, 26481), (5044, 25431), (6747, 19012), (7266, 17654), (7566, 16954), (7644, 16781), (8148, 15743), (8477, 15132), (8827, 14532), (8996, 14259), (9506, 13494)]