257350548

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 760947264

約数和(自身を除く): 503596716

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 131, 147, 156, 182, 196, 257, 262, 273, 294, 364, 393, 514, 524, 546, 588, 637, 771, 786, 917, 1028, 1092, 1274, 1542, 1572, 1703, 1799, 1834, 1911, 2548, 2751, 3084, 3341, 3406, 3598, 3668, 3822, 5109, 5397, 5502, 6419, 6682, 6812, 7196, 7644, 10023, 10218, 10794, 11004, 11921, 12593, 12838, 13364, 19257, 20046, 20436, 21588, 23387, 23842, 25186, 25676, 33667, 35763, 37779, 38514, 40092, 46774, 47684, 50372, 67334, 70161, 71526, 75558, 77028, 83447, 93548, 101001, 134668, 140322, 143052, 151116, 163709, 166894, 202002, 235669, 250341, 280644, 327418, 333788, 404004, 437671, 471338, 491127, 500682, 654836, 707007, 875342, 942676, 982254, 1001364, 1313013, 1414014, 1649683, 1750684, 1964508, 2626026, 2828028, 3063697, 3299366, 4949049, 5252052, 6127394, 6598732, 9191091, 9898098, 12254788, 18382182, 19796196, 21445879, 36764364, 42891758, 64337637, 85783516, 128675274, 257350548]

約数ペア:

[(1, 257350548), (2, 128675274), (3, 85783516), (4, 64337637), (6, 42891758), (7, 36764364), (12, 21445879), (13, 19796196), (14, 18382182), (21, 12254788), (26, 9898098), (28, 9191091), (39, 6598732), (42, 6127394), (49, 5252052), (52, 4949049), (78, 3299366), (84, 3063697), (91, 2828028), (98, 2626026), (131, 1964508), (147, 1750684), (156, 1649683), (182, 1414014), (196, 1313013), (257, 1001364), (262, 982254), (273, 942676), (294, 875342), (364, 707007), (393, 654836), (514, 500682), (524, 491127), (546, 471338), (588, 437671), (637, 404004), (771, 333788), (786, 327418), (917, 280644), (1028, 250341), (1092, 235669), (1274, 202002), (1542, 166894), (1572, 163709), (1703, 151116), (1799, 143052), (1834, 140322), (1911, 134668), (2548, 101001), (2751, 93548), (3084, 83447), (3341, 77028), (3406, 75558), (3598, 71526), (3668, 70161), (3822, 67334), (5109, 50372), (5397, 47684), (5502, 46774), (6419, 40092), (6682, 38514), (6812, 37779), (7196, 35763), (7644, 33667), (10023, 25676), (10218, 25186), (10794, 23842), (11004, 23387), (11921, 21588), (12593, 20436), (12838, 20046), (13364, 19257)]