87690515

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{751}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 116418624

約数和(自身を除く): 28728109

約数列:

[1, 5, 11, 55, 121, 193, 605, 751, 965, 2123, 3755, 8261, 10615, 23353, 41305, 90871, 116765, 144943, 454355, 724715, 1594373, 7971865, 17538103, 87690515]

約数ペア:

[(1, 87690515), (5, 17538103), (11, 7971865), (55, 1594373), (121, 724715), (193, 454355), (605, 144943), (751, 116765), (965, 90871), (2123, 41305), (3755, 23353), (8261, 10615)]