9999484996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{859}}^1\times {\mathrm{1721}}^1$

素因数の和:2692

約数の個数: 48

約数和(自身を含む): 18659592000

約数和(自身を除く): 8660107004

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 859, 1691, 1718, 1721, 3382, 3436, 3442, 6764, 6884, 16321, 32642, 32699, 65284, 65398, 76451, 130796, 152902, 153169, 305804, 306338, 612676, 1452569, 1478339, 2905138, 2910211, 2956678, 5810276, 5820422, 5913356, 11640844, 28088441, 56176882, 112353764, 131572171, 263144342, 526288684, 2499871249, 4999742498, 9999484996]

約数ペア:

[(1, 9999484996), (2, 4999742498), (4, 2499871249), (19, 526288684), (38, 263144342), (76, 131572171), (89, 112353764), (178, 56176882), (356, 28088441), (859, 11640844), (1691, 5913356), (1718, 5820422), (1721, 5810276), (3382, 2956678), (3436, 2910211), (3442, 2905138), (6764, 1478339), (6884, 1452569), (16321, 612676), (32642, 306338), (32699, 305804), (65284, 153169), (65398, 152902), (76451, 130796)]