9780728

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 19042560

約数和(自身を除く): 9261832

約数列:

[1, 2, 4, 8, 37, 74, 148, 173, 191, 296, 346, 382, 692, 764, 1384, 1528, 6401, 7067, 12802, 14134, 25604, 28268, 33043, 51208, 56536, 66086, 132172, 264344, 1222591, 2445182, 4890364, 9780728]

約数ペア:

[(1, 9780728), (2, 4890364), (4, 2445182), (8, 1222591), (37, 264344), (74, 132172), (148, 66086), (173, 56536), (191, 51208), (296, 33043), (346, 28268), (382, 25604), (692, 14134), (764, 12802), (1384, 7067), (1528, 6401)]