278468138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{1259}}^1$

素因数の和:1502

約数の個数: 32

約数和(自身を含む): 462309120

約数和(自身を除く): 183840982

約数列:

[1, 2, 13, 26, 47, 94, 181, 362, 611, 1222, 1259, 2353, 2518, 4706, 8507, 16367, 17014, 32734, 59173, 110591, 118346, 221182, 227879, 455758, 769249, 1538498, 2962427, 5924854, 10710313, 21420626, 139234069, 278468138]

約数ペア:

[(1, 278468138), (2, 139234069), (13, 21420626), (26, 10710313), (47, 5924854), (94, 2962427), (181, 1538498), (362, 769249), (611, 455758), (1222, 227879), (1259, 221182), (2353, 118346), (2518, 110591), (4706, 59173), (8507, 32734), (16367, 17014)]