15699515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 21422016

約数和(自身を除く): 5722501

約数列:

[1, 5, 13, 41, 43, 65, 137, 205, 215, 533, 559, 685, 1763, 1781, 2665, 2795, 5617, 5891, 8815, 8905, 22919, 28085, 29455, 73021, 76583, 114595, 241531, 365105, 382915, 1207655, 3139903, 15699515]

約数ペア:

[(1, 15699515), (5, 3139903), (13, 1207655), (41, 382915), (43, 365105), (65, 241531), (137, 114595), (205, 76583), (215, 73021), (533, 29455), (559, 28085), (685, 22919), (1763, 8905), (1781, 8815), (2665, 5891), (2795, 5617)]