263209986

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{124981}}^1$

素因数の和:125008

約数の個数: 40

約数和(自身を含む): 635158524

約数和(自身を除く): 371948538

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 124981, 249962, 374943, 749886, 1124829, 1624753, 2249658, 3249506, 3374487, 4874259, 6748974, 9748518, 10123461, 14622777, 20246922, 29245554, 43868331, 87736662, 131604993, 263209986]

約数ペア:

[(1, 263209986), (2, 131604993), (3, 87736662), (6, 43868331), (9, 29245554), (13, 20246922), (18, 14622777), (26, 10123461), (27, 9748518), (39, 6748974), (54, 4874259), (78, 3374487), (81, 3249506), (117, 2249658), (162, 1624753), (234, 1124829), (351, 749886), (702, 374943), (1053, 249962), (2106, 124981)]