639430112

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:444

約数の個数: 96

約数和(自身を含む): 1381484160

約数和(自身を除く): 742054048

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 68, 89, 94, 136, 178, 188, 272, 281, 356, 376, 544, 562, 712, 752, 799, 1124, 1424, 1504, 1513, 1598, 2248, 2848, 3026, 3196, 4183, 4496, 4777, 6052, 6392, 8366, 8992, 9554, 12104, 12784, 13207, 16732, 19108, 24208, 25009, 25568, 26414, 33464, 38216, 48416, 50018, 52828, 66928, 71111, 76432, 100036, 105656, 133856, 142222, 152864, 200072, 211312, 224519, 284444, 400144, 422624, 425153, 449038, 568888, 800288, 850306, 898076, 1137776, 1175423, 1700612, 1796152, 2275552, 2350846, 3401224, 3592304, 4701692, 6802448, 7184608, 9403384, 13604896, 18806768, 19982191, 37613536, 39964382, 79928764, 159857528, 319715056, 639430112]

約数ペア:

[(1, 639430112), (2, 319715056), (4, 159857528), (8, 79928764), (16, 39964382), (17, 37613536), (32, 19982191), (34, 18806768), (47, 13604896), (68, 9403384), (89, 7184608), (94, 6802448), (136, 4701692), (178, 3592304), (188, 3401224), (272, 2350846), (281, 2275552), (356, 1796152), (376, 1700612), (544, 1175423), (562, 1137776), (712, 898076), (752, 850306), (799, 800288), (1124, 568888), (1424, 449038), (1504, 425153), (1513, 422624), (1598, 400144), (2248, 284444), (2848, 224519), (3026, 211312), (3196, 200072), (4183, 152864), (4496, 142222), (4777, 133856), (6052, 105656), (6392, 100036), (8366, 76432), (8992, 71111), (9554, 66928), (12104, 52828), (12784, 50018), (13207, 48416), (16732, 38216), (19108, 33464), (24208, 26414), (25009, 25568)]