128131068

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 351219456

約数和(自身を除く): 223088388

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 41, 46, 52, 67, 69, 78, 82, 92, 123, 134, 138, 156, 164, 169, 201, 246, 268, 276, 299, 338, 402, 492, 507, 533, 598, 676, 804, 871, 897, 943, 1014, 1066, 1196, 1541, 1599, 1742, 1794, 1886, 2028, 2132, 2613, 2747, 2829, 3082, 3198, 3484, 3588, 3772, 3887, 4623, 5226, 5494, 5658, 6164, 6396, 6929, 7774, 8241, 9246, 10452, 10988, 11316, 11323, 11661, 12259, 13858, 15548, 16482, 18492, 20033, 20787, 22646, 23322, 24518, 27716, 32964, 33969, 35711, 36777, 40066, 41574, 45292, 46644, 49036, 60099, 63181, 67938, 71422, 73554, 80132, 83148, 107133, 120198, 126362, 135876, 142844, 147108, 159367, 189543, 214266, 240396, 252724, 260429, 318734, 379086, 428532, 464243, 478101, 520858, 637468, 758172, 781287, 821353, 928486, 956202, 1041716, 1392729, 1562574, 1642706, 1856972, 1912404, 2464059, 2785458, 3125148, 3285412, 4928118, 5570916, 9856236, 10677589, 21355178, 32032767, 42710356, 64065534, 128131068]

約数ペア:

[(1, 128131068), (2, 64065534), (3, 42710356), (4, 32032767), (6, 21355178), (12, 10677589), (13, 9856236), (23, 5570916), (26, 4928118), (39, 3285412), (41, 3125148), (46, 2785458), (52, 2464059), (67, 1912404), (69, 1856972), (78, 1642706), (82, 1562574), (92, 1392729), (123, 1041716), (134, 956202), (138, 928486), (156, 821353), (164, 781287), (169, 758172), (201, 637468), (246, 520858), (268, 478101), (276, 464243), (299, 428532), (338, 379086), (402, 318734), (492, 260429), (507, 252724), (533, 240396), (598, 214266), (676, 189543), (804, 159367), (871, 147108), (897, 142844), (943, 135876), (1014, 126362), (1066, 120198), (1196, 107133), (1541, 83148), (1599, 80132), (1742, 73554), (1794, 71422), (1886, 67938), (2028, 63181), (2132, 60099), (2613, 49036), (2747, 46644), (2829, 45292), (3082, 41574), (3198, 40066), (3484, 36777), (3588, 35711), (3772, 33969), (3887, 32964), (4623, 27716), (5226, 24518), (5494, 23322), (5658, 22646), (6164, 20787), (6396, 20033), (6929, 18492), (7774, 16482), (8241, 15548), (9246, 13858), (10452, 12259), (10988, 11661), (11316, 11323)]