131278986

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 313777152

約数和(自身を除く): 182498166

約数列:

[1, 2, 3, 6, 9, 18, 23, 31, 46, 53, 62, 69, 93, 106, 138, 159, 186, 193, 207, 279, 318, 386, 414, 477, 558, 579, 713, 954, 1158, 1219, 1426, 1643, 1737, 2139, 2438, 3286, 3474, 3657, 4278, 4439, 4929, 5983, 6417, 7314, 8878, 9858, 10229, 10971, 11966, 12834, 13317, 14787, 17949, 20458, 21942, 26634, 29574, 30687, 35898, 37789, 39951, 53847, 61374, 75578, 79902, 92061, 107694, 113367, 137609, 184122, 226734, 235267, 275218, 317099, 340101, 412827, 470534, 634198, 680202, 705801, 825654, 951297, 1238481, 1411602, 1902594, 2117403, 2476962, 2853891, 4234806, 5707782, 7293277, 14586554, 21879831, 43759662, 65639493, 131278986]

約数ペア:

[(1, 131278986), (2, 65639493), (3, 43759662), (6, 21879831), (9, 14586554), (18, 7293277), (23, 5707782), (31, 4234806), (46, 2853891), (53, 2476962), (62, 2117403), (69, 1902594), (93, 1411602), (106, 1238481), (138, 951297), (159, 825654), (186, 705801), (193, 680202), (207, 634198), (279, 470534), (318, 412827), (386, 340101), (414, 317099), (477, 275218), (558, 235267), (579, 226734), (713, 184122), (954, 137609), (1158, 113367), (1219, 107694), (1426, 92061), (1643, 79902), (1737, 75578), (2139, 61374), (2438, 53847), (3286, 39951), (3474, 37789), (3657, 35898), (4278, 30687), (4439, 29574), (4929, 26634), (5983, 21942), (6417, 20458), (7314, 17949), (8878, 14787), (9858, 13317), (10229, 12834), (10971, 11966)]