25605417

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 12714711

約数列:

[1, 3, 17, 23, 51, 69, 83, 249, 263, 391, 789, 1173, 1411, 1909, 4233, 4471, 5727, 6049, 13413, 18147, 21829, 32453, 65487, 97359, 102833, 308499, 371093, 502067, 1113279, 1506201, 8535139, 25605417]

約数ペア:

[(1, 25605417), (3, 8535139), (17, 1506201), (23, 1113279), (51, 502067), (69, 371093), (83, 308499), (249, 102833), (263, 97359), (391, 65487), (789, 32453), (1173, 21829), (1411, 18147), (1909, 13413), (4233, 6049), (4471, 5727)]