211312585

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 303367680

約数和(自身を除く): 92055095

約数列:

[1, 5, 11, 19, 31, 55, 95, 121, 155, 209, 341, 589, 593, 605, 1045, 1705, 2299, 2945, 2965, 3751, 6479, 6523, 11267, 11495, 18383, 18755, 32395, 32615, 56335, 71269, 71753, 91915, 123937, 202213, 349277, 356345, 358765, 619685, 1011065, 1363307, 1746385, 2224343, 3842047, 6816535, 11121715, 19210235, 42262517, 211312585]

約数ペア:

[(1, 211312585), (5, 42262517), (11, 19210235), (19, 11121715), (31, 6816535), (55, 3842047), (95, 2224343), (121, 1746385), (155, 1363307), (209, 1011065), (341, 619685), (589, 358765), (593, 356345), (605, 349277), (1045, 202213), (1705, 123937), (2299, 91915), (2945, 71753), (2965, 71269), (3751, 56335), (6479, 32615), (6523, 32395), (11267, 18755), (11495, 18383)]