31407415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 44041536

約数和(自身を除く): 12634121

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 661, 731, 1105, 2795, 3305, 3655, 8593, 9503, 11237, 28423, 42965, 47515, 56185, 142115, 146081, 369499, 483191, 730405, 1847495, 2415955, 6281483, 31407415]

約数ペア:

[(1, 31407415), (5, 6281483), (13, 2415955), (17, 1847495), (43, 730405), (65, 483191), (85, 369499), (215, 146081), (221, 142115), (559, 56185), (661, 47515), (731, 42965), (1105, 28423), (2795, 11237), (3305, 9503), (3655, 8593)]