81398088

素因数分解:

$2^3\times 3^3\times {\mathrm{191}}^1\times {\mathrm{1973}}^1$

素因数の和:2179

約数の個数: 64

約数和(自身を含む): 227404800

約数和(自身を除く): 146006712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 191, 216, 382, 573, 764, 1146, 1528, 1719, 1973, 2292, 3438, 3946, 4584, 5157, 5919, 6876, 7892, 10314, 11838, 13752, 15784, 17757, 20628, 23676, 35514, 41256, 47352, 53271, 71028, 106542, 142056, 213084, 376843, 426168, 753686, 1130529, 1507372, 2261058, 3014744, 3391587, 4522116, 6783174, 9044232, 10174761, 13566348, 20349522, 27132696, 40699044, 81398088]

約数ペア:

[(1, 81398088), (2, 40699044), (3, 27132696), (4, 20349522), (6, 13566348), (8, 10174761), (9, 9044232), (12, 6783174), (18, 4522116), (24, 3391587), (27, 3014744), (36, 2261058), (54, 1507372), (72, 1130529), (108, 753686), (191, 426168), (216, 376843), (382, 213084), (573, 142056), (764, 106542), (1146, 71028), (1528, 53271), (1719, 47352), (1973, 41256), (2292, 35514), (3438, 23676), (3946, 20628), (4584, 17757), (5157, 15784), (5919, 13752), (6876, 11838), (7892, 10314)]