71317925

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 108028800

約数和(自身を除く): 36710875

約数列:

[1, 5, 7, 19, 25, 35, 89, 95, 133, 175, 241, 445, 475, 623, 665, 1205, 1687, 1691, 2225, 3115, 3325, 4579, 6025, 8435, 8455, 11837, 15575, 21449, 22895, 32053, 42175, 42275, 59185, 107245, 114475, 150143, 160265, 295925, 407531, 536225, 750715, 801325, 2037655, 2852717, 3753575, 10188275, 14263585, 71317925]

約数ペア:

[(1, 71317925), (5, 14263585), (7, 10188275), (19, 3753575), (25, 2852717), (35, 2037655), (89, 801325), (95, 750715), (133, 536225), (175, 407531), (241, 295925), (445, 160265), (475, 150143), (623, 114475), (665, 107245), (1205, 59185), (1687, 42275), (1691, 42175), (2225, 32053), (3115, 22895), (3325, 21449), (4579, 15575), (6025, 11837), (8435, 8455)]