2123225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 2916480

約数和(自身を除く): 793255

約数列:

[1, 5, 13, 25, 47, 65, 139, 235, 325, 611, 695, 1175, 1807, 3055, 3475, 6533, 9035, 15275, 32665, 45175, 84929, 163325, 424645, 2123225]

約数ペア:

[(1, 2123225), (5, 424645), (13, 163325), (25, 84929), (47, 45175), (65, 32665), (139, 15275), (235, 9035), (325, 6533), (611, 3475), (695, 3055), (1175, 1807)]