128291236726

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{309137}}^1$

素因数の和:309388

約数の個数: 32

約数和(自身を含む): 206850418560

約数和(自身を除く): 78559181834

約数列:

[1, 2, 19, 38, 67, 134, 163, 326, 1273, 2546, 3097, 6194, 10921, 21842, 207499, 309137, 414998, 618274, 5873603, 11747206, 20712179, 41424358, 50389331, 100778662, 393531401, 787062802, 957397289, 1914794578, 3376085177, 6752170354, 64145618363, 128291236726]

約数ペア:

[(1, 128291236726), (2, 64145618363), (19, 6752170354), (38, 3376085177), (67, 1914794578), (134, 957397289), (163, 787062802), (326, 393531401), (1273, 100778662), (2546, 50389331), (3097, 41424358), (6194, 20712179), (10921, 11747206), (21842, 5873603), (207499, 618274), (309137, 414998)]