28720834

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{509}}^1$

素因数の和:917

約数の個数: 16

約数和(自身を含む): 43788600

約数和(自身を除く): 15067766

約数列:

[1, 2, 89, 178, 317, 509, 634, 1018, 28213, 45301, 56426, 90602, 161353, 322706, 14360417, 28720834]

約数ペア:

[(1, 28720834), (2, 14360417), (89, 322706), (178, 161353), (317, 90602), (509, 56426), (634, 45301), (1018, 28213)]