206580530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 405082944

約数和(自身を除く): 198502414

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 251, 338, 487, 502, 845, 974, 1255, 1690, 2435, 2510, 3263, 4870, 6331, 6526, 12662, 16315, 31655, 32630, 42419, 63310, 82303, 84838, 122237, 164606, 212095, 244474, 411515, 424190, 611185, 823030, 1222370, 1589081, 3178162, 7945405, 15890810, 20658053, 41316106, 103290265, 206580530]

約数ペア:

[(1, 206580530), (2, 103290265), (5, 41316106), (10, 20658053), (13, 15890810), (26, 7945405), (65, 3178162), (130, 1589081), (169, 1222370), (251, 823030), (338, 611185), (487, 424190), (502, 411515), (845, 244474), (974, 212095), (1255, 164606), (1690, 122237), (2435, 84838), (2510, 82303), (3263, 63310), (4870, 42419), (6331, 32630), (6526, 31655), (12662, 16315)]