81844490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89939}}^1$

素因数の和:89966

約数の個数: 32

約数和(自身を含む): 181319040

約数和(自身を除く): 99474550

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 89939, 179878, 449695, 629573, 899390, 1169207, 1259146, 2338414, 3147865, 5846035, 6295730, 8184449, 11692070, 16368898, 40922245, 81844490]

約数ペア:

[(1, 81844490), (2, 40922245), (5, 16368898), (7, 11692070), (10, 8184449), (13, 6295730), (14, 5846035), (26, 3147865), (35, 2338414), (65, 1259146), (70, 1169207), (91, 899390), (130, 629573), (182, 449695), (455, 179878), (910, 89939)]