28882191

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 43001280

約数和(自身を除く): 14119089

約数列:

[1, 3, 13, 39, 53, 89, 157, 159, 267, 471, 689, 1157, 2041, 2067, 3471, 4717, 6123, 8321, 13973, 14151, 24963, 41919, 61321, 108173, 181649, 183963, 324519, 544947, 740569, 2221707, 9627397, 28882191]

約数ペア:

[(1, 28882191), (3, 9627397), (13, 2221707), (39, 740569), (53, 544947), (89, 324519), (157, 183963), (159, 181649), (267, 108173), (471, 61321), (689, 41919), (1157, 24963), (2041, 14151), (2067, 13973), (3471, 8321), (4717, 6123)]