258407968

素因数分解:

$2^5\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1811}}^1$

素因数の和:1855

約数の個数: 96

約数和(自身を含む): 639273600

約数和(自身を除く): 380865632

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 343, 364, 392, 416, 637, 686, 728, 784, 1274, 1372, 1456, 1568, 1811, 2548, 2744, 2912, 3622, 4459, 5096, 5488, 7244, 8918, 10192, 10976, 12677, 14488, 17836, 20384, 23543, 25354, 28976, 35672, 47086, 50708, 57952, 71344, 88739, 94172, 101416, 142688, 164801, 177478, 188344, 202832, 329602, 354956, 376688, 405664, 621173, 659204, 709912, 753376, 1153607, 1242346, 1318408, 1419824, 2307214, 2484692, 2636816, 2839648, 4614428, 4969384, 5273632, 8075249, 9228856, 9938768, 16150498, 18457712, 19877536, 32300996, 36915424, 64601992, 129203984, 258407968]

約数ペア:

[(1, 258407968), (2, 129203984), (4, 64601992), (7, 36915424), (8, 32300996), (13, 19877536), (14, 18457712), (16, 16150498), (26, 9938768), (28, 9228856), (32, 8075249), (49, 5273632), (52, 4969384), (56, 4614428), (91, 2839648), (98, 2636816), (104, 2484692), (112, 2307214), (182, 1419824), (196, 1318408), (208, 1242346), (224, 1153607), (343, 753376), (364, 709912), (392, 659204), (416, 621173), (637, 405664), (686, 376688), (728, 354956), (784, 329602), (1274, 202832), (1372, 188344), (1456, 177478), (1568, 164801), (1811, 142688), (2548, 101416), (2744, 94172), (2912, 88739), (3622, 71344), (4459, 57952), (5096, 50708), (5488, 47086), (7244, 35672), (8918, 28976), (10192, 25354), (10976, 23543), (12677, 20384), (14488, 17836)]