331821952

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 833690880

約数和(自身を除く): 501868928

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 131, 154, 176, 224, 257, 262, 308, 352, 448, 514, 524, 616, 704, 896, 917, 1028, 1048, 1232, 1408, 1441, 1799, 1834, 2056, 2096, 2464, 2827, 2882, 3598, 3668, 4112, 4192, 4928, 5654, 5764, 7196, 7336, 8224, 8384, 9856, 10087, 11308, 11528, 14392, 14672, 16448, 16768, 19789, 20174, 22616, 23056, 28784, 29344, 32896, 33667, 39578, 40348, 45232, 46112, 57568, 58688, 67334, 79156, 80696, 90464, 92224, 115136, 117376, 134668, 158312, 161392, 180928, 184448, 230272, 235669, 269336, 316624, 322784, 361856, 370337, 471338, 538672, 633248, 645568, 740674, 942676, 1077344, 1266496, 1291136, 1481348, 1885352, 2154688, 2532992, 2592359, 2962696, 3770704, 4309376, 5184718, 5925392, 7541408, 10369436, 11850784, 15082816, 20738872, 23701568, 30165632, 41477744, 47403136, 82955488, 165910976, 331821952]

約数ペア:

[(1, 331821952), (2, 165910976), (4, 82955488), (7, 47403136), (8, 41477744), (11, 30165632), (14, 23701568), (16, 20738872), (22, 15082816), (28, 11850784), (32, 10369436), (44, 7541408), (56, 5925392), (64, 5184718), (77, 4309376), (88, 3770704), (112, 2962696), (128, 2592359), (131, 2532992), (154, 2154688), (176, 1885352), (224, 1481348), (257, 1291136), (262, 1266496), (308, 1077344), (352, 942676), (448, 740674), (514, 645568), (524, 633248), (616, 538672), (704, 471338), (896, 370337), (917, 361856), (1028, 322784), (1048, 316624), (1232, 269336), (1408, 235669), (1441, 230272), (1799, 184448), (1834, 180928), (2056, 161392), (2096, 158312), (2464, 134668), (2827, 117376), (2882, 115136), (3598, 92224), (3668, 90464), (4112, 80696), (4192, 79156), (4928, 67334), (5654, 58688), (5764, 57568), (7196, 46112), (7336, 45232), (8224, 40348), (8384, 39578), (9856, 33667), (10087, 32896), (11308, 29344), (11528, 28784), (14392, 23056), (14672, 22616), (16448, 20174), (16768, 19789)]