81405838082

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1\times {\mathrm{21647}}^1$

素因数の和:22346

約数の個数: 32

約数和(自身を含む): 127046050560

約数和(自身を除く): 45640212478

約数列:

[1, 2, 37, 74, 89, 178, 571, 1142, 3293, 6586, 21127, 21647, 42254, 43294, 50819, 101638, 800939, 1601878, 1880303, 1926583, 3760606, 3853166, 12360437, 24720874, 71283571, 142567142, 457336169, 914672338, 1100078893, 2200157786, 40702919041, 81405838082]

約数ペア:

[(1, 81405838082), (2, 40702919041), (37, 2200157786), (74, 1100078893), (89, 914672338), (178, 457336169), (571, 142567142), (1142, 71283571), (3293, 24720874), (6586, 12360437), (21127, 3853166), (21647, 3760606), (42254, 1926583), (43294, 1880303), (50819, 1601878), (101638, 800939)]