137952490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{2179}}^1$

素因数の和:2686

約数の個数: 32

約数和(自身を含む): 268087680

約数和(自身を除く): 130135190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 487, 974, 2179, 2435, 4358, 4870, 6331, 10895, 12662, 21790, 28327, 31655, 56654, 63310, 141635, 283270, 1061173, 2122346, 5305865, 10611730, 13795249, 27590498, 68976245, 137952490]

約数ペア:

[(1, 137952490), (2, 68976245), (5, 27590498), (10, 13795249), (13, 10611730), (26, 5305865), (65, 2122346), (130, 1061173), (487, 283270), (974, 141635), (2179, 63310), (2435, 56654), (4358, 31655), (4870, 28327), (6331, 21790), (10895, 12662)]