128420236

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1777}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 268833600

約数和(自身を除く): 140413364

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 89, 116, 178, 203, 356, 406, 623, 812, 1246, 1777, 2492, 2581, 3554, 5162, 7108, 10324, 12439, 18067, 24878, 36134, 49756, 51533, 72268, 103066, 158153, 206132, 316306, 360731, 632612, 721462, 1107071, 1442924, 2214142, 4428284, 4586437, 9172874, 18345748, 32105059, 64210118, 128420236]

約数ペア:

[(1, 128420236), (2, 64210118), (4, 32105059), (7, 18345748), (14, 9172874), (28, 4586437), (29, 4428284), (58, 2214142), (89, 1442924), (116, 1107071), (178, 721462), (203, 632612), (356, 360731), (406, 316306), (623, 206132), (812, 158153), (1246, 103066), (1777, 72268), (2492, 51533), (2581, 49756), (3554, 36134), (5162, 24878), (7108, 18067), (10324, 12439)]