2638075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 3656016

約数和(自身を除く): 1017941

約数列:

[1, 5, 11, 25, 53, 55, 181, 265, 275, 583, 905, 1325, 1991, 2915, 4525, 9593, 9955, 14575, 47965, 49775, 105523, 239825, 527615, 2638075]

約数ペア:

[(1, 2638075), (5, 527615), (11, 239825), (25, 105523), (53, 49775), (55, 47965), (181, 14575), (265, 9955), (275, 9593), (583, 4525), (905, 2915), (1325, 1991)]