28684838

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^2$

素因数の和:816

約数の個数: 24

約数和(自身を含む): 53090352

約数和(自身を除く): 24405514

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 397, 794, 2779, 5161, 5558, 10322, 36127, 72254, 157609, 315218, 1103263, 2048917, 2206526, 4097834, 14342419, 28684838]

約数ペア:

[(1, 28684838), (2, 14342419), (7, 4097834), (13, 2206526), (14, 2048917), (26, 1103263), (91, 315218), (182, 157609), (397, 72254), (794, 36127), (2779, 10322), (5161, 5558)]