1311343490

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1\times {\mathrm{1873}}^1$

素因数の和:3254

約数の個数: 32

約数和(自身を含む): 2408060016

約数和(自身を除く): 1096716526

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 1321, 1873, 2642, 3746, 6605, 9365, 13210, 18730, 70013, 99269, 140026, 198538, 350065, 496345, 700130, 992690, 2474233, 4948466, 12371165, 24742330, 131134349, 262268698, 655671745, 1311343490]

約数ペア:

[(1, 1311343490), (2, 655671745), (5, 262268698), (10, 131134349), (53, 24742330), (106, 12371165), (265, 4948466), (530, 2474233), (1321, 992690), (1873, 700130), (2642, 496345), (3746, 350065), (6605, 198538), (9365, 140026), (13210, 99269), (18730, 70013)]