428145276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 1154006784

約数和(自身を除く): 725861508

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 67, 69, 78, 92, 134, 137, 138, 156, 169, 201, 268, 274, 276, 299, 338, 402, 411, 507, 548, 598, 676, 804, 822, 871, 897, 1014, 1196, 1541, 1644, 1742, 1781, 1794, 2028, 2613, 3082, 3151, 3484, 3562, 3588, 3887, 4623, 5226, 5343, 6164, 6302, 7124, 7774, 9179, 9246, 9453, 10452, 10686, 11323, 11661, 12604, 15548, 18358, 18492, 18906, 20033, 21372, 22646, 23153, 23322, 27537, 33969, 36716, 37812, 40066, 40963, 45292, 46306, 46644, 55074, 60099, 67938, 69459, 80132, 81926, 92612, 110148, 119327, 120198, 122889, 135876, 138918, 163852, 211117, 238654, 240396, 245778, 260429, 277836, 357981, 422234, 477308, 491556, 520858, 532519, 633351, 715962, 781287, 844468, 1041716, 1065038, 1266702, 1431924, 1551251, 1562574, 1597557, 2130076, 2533404, 2744521, 3102502, 3125148, 3195114, 4653753, 5489042, 6205004, 6390228, 8233563, 9307506, 10978084, 16467126, 18615012, 32934252, 35678773, 71357546, 107036319, 142715092, 214072638, 428145276]

約数ペア:

[(1, 428145276), (2, 214072638), (3, 142715092), (4, 107036319), (6, 71357546), (12, 35678773), (13, 32934252), (23, 18615012), (26, 16467126), (39, 10978084), (46, 9307506), (52, 8233563), (67, 6390228), (69, 6205004), (78, 5489042), (92, 4653753), (134, 3195114), (137, 3125148), (138, 3102502), (156, 2744521), (169, 2533404), (201, 2130076), (268, 1597557), (274, 1562574), (276, 1551251), (299, 1431924), (338, 1266702), (402, 1065038), (411, 1041716), (507, 844468), (548, 781287), (598, 715962), (676, 633351), (804, 532519), (822, 520858), (871, 491556), (897, 477308), (1014, 422234), (1196, 357981), (1541, 277836), (1644, 260429), (1742, 245778), (1781, 240396), (1794, 238654), (2028, 211117), (2613, 163852), (3082, 138918), (3151, 135876), (3484, 122889), (3562, 120198), (3588, 119327), (3887, 110148), (4623, 92612), (5226, 81926), (5343, 80132), (6164, 69459), (6302, 67938), (7124, 60099), (7774, 55074), (9179, 46644), (9246, 46306), (9453, 45292), (10452, 40963), (10686, 40066), (11323, 37812), (11661, 36716), (12604, 33969), (15548, 27537), (18358, 23322), (18492, 23153), (18906, 22646), (20033, 21372)]