1278883424

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{457}}^1$

素因数の和:549

約数の個数: 144

約数和(自身を含む): 3209026464

約数和(自身を除く): 1930143040

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 457, 496, 728, 806, 868, 914, 961, 992, 1456, 1612, 1736, 1828, 1922, 2821, 2912, 3199, 3224, 3472, 3656, 3844, 5642, 5941, 6398, 6448, 6727, 6944, 7312, 7688, 11284, 11882, 12493, 12796, 12896, 13454, 14167, 14624, 15376, 22568, 23764, 24986, 25592, 26908, 28334, 30752, 41587, 45136, 47528, 49972, 51184, 53816, 56668, 83174, 87451, 90272, 95056, 99169, 99944, 102368, 107632, 113336, 166348, 174902, 184171, 190112, 198338, 199888, 215264, 226672, 332696, 349804, 368342, 396676, 399776, 439177, 453344, 665392, 699608, 736684, 793352, 878354, 1289197, 1330784, 1399216, 1473368, 1586704, 1756708, 2578394, 2798432, 2946736, 3074239, 3173408, 3513416, 5156788, 5709301, 5893472, 6148478, 7026832, 10313576, 11418602, 12296956, 14053664, 20627152, 22837204, 24593912, 39965107, 41254304, 45674408, 49187824, 79930214, 91348816, 98375648, 159860428, 182697632, 319720856, 639441712, 1278883424]

約数ペア:

[(1, 1278883424), (2, 639441712), (4, 319720856), (7, 182697632), (8, 159860428), (13, 98375648), (14, 91348816), (16, 79930214), (26, 49187824), (28, 45674408), (31, 41254304), (32, 39965107), (52, 24593912), (56, 22837204), (62, 20627152), (91, 14053664), (104, 12296956), (112, 11418602), (124, 10313576), (182, 7026832), (208, 6148478), (217, 5893472), (224, 5709301), (248, 5156788), (364, 3513416), (403, 3173408), (416, 3074239), (434, 2946736), (457, 2798432), (496, 2578394), (728, 1756708), (806, 1586704), (868, 1473368), (914, 1399216), (961, 1330784), (992, 1289197), (1456, 878354), (1612, 793352), (1736, 736684), (1828, 699608), (1922, 665392), (2821, 453344), (2912, 439177), (3199, 399776), (3224, 396676), (3472, 368342), (3656, 349804), (3844, 332696), (5642, 226672), (5941, 215264), (6398, 199888), (6448, 198338), (6727, 190112), (6944, 184171), (7312, 174902), (7688, 166348), (11284, 113336), (11882, 107632), (12493, 102368), (12796, 99944), (12896, 99169), (13454, 95056), (14167, 90272), (14624, 87451), (15376, 83174), (22568, 56668), (23764, 53816), (24986, 51184), (25592, 49972), (26908, 47528), (28334, 45136), (30752, 41587)]