1278695938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{4243}}^1$

素因数の和:4498

約数の個数: 32

約数和(自身を含む): 2109030336

約数和(自身を除く): 830334398

約数列:

[1, 2, 13, 26, 67, 134, 173, 346, 871, 1742, 2249, 4243, 4498, 8486, 11591, 23182, 55159, 110318, 150683, 284281, 301366, 568562, 734039, 1468078, 3695653, 7391306, 9542507, 19085014, 49180613, 98361226, 639347969, 1278695938]

約数ペア:

[(1, 1278695938), (2, 639347969), (13, 98361226), (26, 49180613), (67, 19085014), (134, 9542507), (173, 7391306), (346, 3695653), (871, 1468078), (1742, 734039), (2249, 568562), (4243, 301366), (4498, 284281), (8486, 150683), (11591, 110318), (23182, 55159)]