28978675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{631}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 39497472

約数和(自身を除く): 10518797

約数列:

[1, 5, 11, 25, 55, 167, 275, 631, 835, 1837, 3155, 4175, 6941, 9185, 15775, 34705, 45925, 105377, 173525, 526885, 1159147, 2634425, 5795735, 28978675]

約数ペア:

[(1, 28978675), (5, 5795735), (11, 2634425), (25, 1159147), (55, 526885), (167, 173525), (275, 105377), (631, 45925), (835, 34705), (1837, 15775), (3155, 9185), (4175, 6941)]