138697778

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 220676400

約数和(自身を除く): 81978622

約数列:

[1, 2, 29, 58, 89, 97, 178, 194, 277, 554, 2581, 2813, 5162, 5626, 8033, 8633, 16066, 17266, 24653, 26869, 49306, 53738, 250357, 500714, 714937, 779201, 1429874, 1558402, 2391341, 4782682, 69348889, 138697778]

約数ペア:

[(1, 138697778), (2, 69348889), (29, 4782682), (58, 2391341), (89, 1558402), (97, 1429874), (178, 779201), (194, 714937), (277, 500714), (554, 250357), (2581, 53738), (2813, 49306), (5162, 26869), (5626, 24653), (8033, 17266), (8633, 16066)]