639228128

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37061}}^1$

素因数の和:37096

約数の個数: 72

約数和(自身を含む): 1597075704

約数和(自身を除く): 957847576

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1232, 1568, 2156, 2464, 4312, 8624, 17248, 37061, 74122, 148244, 259427, 296488, 407671, 518854, 592976, 815342, 1037708, 1185952, 1630684, 1815989, 2075416, 2853697, 3261368, 3631978, 4150832, 5707394, 6522736, 7263956, 8301664, 11414788, 13045472, 14527912, 19975879, 22829576, 29055824, 39951758, 45659152, 58111648, 79903516, 91318304, 159807032, 319614064, 639228128]

約数ペア:

[(1, 639228128), (2, 319614064), (4, 159807032), (7, 91318304), (8, 79903516), (11, 58111648), (14, 45659152), (16, 39951758), (22, 29055824), (28, 22829576), (32, 19975879), (44, 14527912), (49, 13045472), (56, 11414788), (77, 8301664), (88, 7263956), (98, 6522736), (112, 5707394), (154, 4150832), (176, 3631978), (196, 3261368), (224, 2853697), (308, 2075416), (352, 1815989), (392, 1630684), (539, 1185952), (616, 1037708), (784, 815342), (1078, 592976), (1232, 518854), (1568, 407671), (2156, 296488), (2464, 259427), (4312, 148244), (8624, 74122), (17248, 37061)]