987137278

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1\times {\mathrm{2689}}^1$

素因数の和:2944

約数の個数: 24

約数和(自身を含む): 1538593920

約数和(自身を除く): 551456642

約数列:

[1, 2, 31, 62, 191, 382, 961, 1922, 2689, 5378, 5921, 11842, 83359, 166718, 183551, 367102, 513599, 1027198, 2584129, 5168258, 15921569, 31843138, 493568639, 987137278]

約数ペア:

[(1, 987137278), (2, 493568639), (31, 31843138), (62, 15921569), (191, 5168258), (382, 2584129), (961, 1027198), (1922, 513599), (2689, 367102), (5378, 183551), (5921, 166718), (11842, 83359)]