64762165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 90316800

約数和(自身を除く): 25554635

約数列:

[1, 5, 13, 19, 41, 65, 95, 205, 247, 533, 779, 1235, 1279, 2665, 3895, 6395, 10127, 16627, 24301, 50635, 52439, 83135, 121505, 262195, 315913, 681707, 996341, 1579565, 3408535, 4981705, 12952433, 64762165]

約数ペア:

[(1, 64762165), (5, 12952433), (13, 4981705), (19, 3408535), (41, 1579565), (65, 996341), (95, 681707), (205, 315913), (247, 262195), (533, 121505), (779, 83135), (1235, 52439), (1279, 50635), (2665, 24301), (3895, 16627), (6395, 10127)]