138296032

素因数分解:

$2^5\times 7^2\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1104

約数の個数: 72

約数和(自身を含む): 320604480

約数和(自身を除く): 182308448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 89, 98, 112, 178, 196, 224, 356, 392, 623, 712, 784, 991, 1246, 1424, 1568, 1982, 2492, 2848, 3964, 4361, 4984, 6937, 7928, 8722, 9968, 13874, 15856, 17444, 19936, 27748, 31712, 34888, 48559, 55496, 69776, 88199, 97118, 110992, 139552, 176398, 194236, 221984, 352796, 388472, 617393, 705592, 776944, 1234786, 1411184, 1553888, 2469572, 2822368, 4321751, 4939144, 8643502, 9878288, 17287004, 19756576, 34574008, 69148016, 138296032]

約数ペア:

[(1, 138296032), (2, 69148016), (4, 34574008), (7, 19756576), (8, 17287004), (14, 9878288), (16, 8643502), (28, 4939144), (32, 4321751), (49, 2822368), (56, 2469572), (89, 1553888), (98, 1411184), (112, 1234786), (178, 776944), (196, 705592), (224, 617393), (356, 388472), (392, 352796), (623, 221984), (712, 194236), (784, 176398), (991, 139552), (1246, 110992), (1424, 97118), (1568, 88199), (1982, 69776), (2492, 55496), (2848, 48559), (3964, 34888), (4361, 31712), (4984, 27748), (6937, 19936), (7928, 17444), (8722, 15856), (9968, 13874)]