66818556

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{37879}}^1$

素因数の和:37903

約数の個数: 54

約数和(自身を含む): 196483560

約数和(自身を除く): 129665004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 37879, 75758, 113637, 151516, 227274, 265153, 340911, 454548, 530306, 681822, 795459, 1060612, 1363644, 1590918, 1856071, 2386377, 3181836, 3712142, 4772754, 5568213, 7424284, 9545508, 11136426, 16704639, 22272852, 33409278, 66818556]

約数ペア:

[(1, 66818556), (2, 33409278), (3, 22272852), (4, 16704639), (6, 11136426), (7, 9545508), (9, 7424284), (12, 5568213), (14, 4772754), (18, 3712142), (21, 3181836), (28, 2386377), (36, 1856071), (42, 1590918), (49, 1363644), (63, 1060612), (84, 795459), (98, 681822), (126, 530306), (147, 454548), (196, 340911), (252, 265153), (294, 227274), (441, 151516), (588, 113637), (882, 75758), (1764, 37879)]