660894

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 1468320

約数和(自身を除く): 807426

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 229, 458, 481, 687, 962, 1374, 1443, 2886, 2977, 5954, 8473, 8931, 16946, 17862, 25419, 50838, 110149, 220298, 330447, 660894]

約数ペア:

[(1, 660894), (2, 330447), (3, 220298), (6, 110149), (13, 50838), (26, 25419), (37, 17862), (39, 16946), (74, 8931), (78, 8473), (111, 5954), (222, 2977), (229, 2886), (458, 1443), (481, 1374), (687, 962)]