28499770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1039}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 55560960

約数和(自身を除く): 27061190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1039, 1055, 2078, 2110, 2743, 5195, 5486, 10390, 13507, 13715, 27014, 27430, 67535, 135070, 219229, 438458, 1096145, 2192290, 2849977, 5699954, 14249885, 28499770]

約数ペア:

[(1, 28499770), (2, 14249885), (5, 5699954), (10, 2849977), (13, 2192290), (26, 1096145), (65, 438458), (130, 219229), (211, 135070), (422, 67535), (1039, 27430), (1055, 27014), (2078, 13715), (2110, 13507), (2743, 10390), (5195, 5486)]