321307525

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2011}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 502967808

約数和(自身を除く): 181660283

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 83, 175, 275, 385, 415, 581, 913, 1925, 2011, 2075, 2905, 4565, 6391, 10055, 14077, 14525, 22121, 22825, 31955, 50275, 70385, 110605, 154847, 159775, 166913, 351925, 553025, 774235, 834565, 1168391, 1836043, 3871175, 4172825, 5841955, 9180215, 12852301, 29209775, 45901075, 64261505, 321307525]

約数ペア:

[(1, 321307525), (5, 64261505), (7, 45901075), (11, 29209775), (25, 12852301), (35, 9180215), (55, 5841955), (77, 4172825), (83, 3871175), (175, 1836043), (275, 1168391), (385, 834565), (415, 774235), (581, 553025), (913, 351925), (1925, 166913), (2011, 159775), (2075, 154847), (2905, 110605), (4565, 70385), (6391, 50275), (10055, 31955), (14077, 22825), (14525, 22121)]