281252816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{15193}}^1$

素因数の和:15303

約数の個数: 40

約数和(自身を含む): 593477640

約数和(自身を除く): 312224824

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 2314, 4628, 9256, 15193, 18512, 30386, 60772, 121544, 197509, 243088, 395018, 790036, 1352177, 1580072, 2704354, 3160144, 5408708, 10817416, 17578301, 21634832, 35156602, 70313204, 140626408, 281252816]

約数ペア:

[(1, 281252816), (2, 140626408), (4, 70313204), (8, 35156602), (13, 21634832), (16, 17578301), (26, 10817416), (52, 5408708), (89, 3160144), (104, 2704354), (178, 1580072), (208, 1352177), (356, 790036), (712, 395018), (1157, 243088), (1424, 197509), (2314, 121544), (4628, 60772), (9256, 30386), (15193, 18512)]