1254161656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{2027}}^1$

素因数の和:2212

約数の個数: 64

約数和(自身を含む): 2628288000

約数和(自身を除く): 1374126344

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 89, 158, 178, 316, 356, 632, 712, 869, 979, 1738, 1958, 2027, 3476, 3916, 4054, 6952, 7031, 7832, 8108, 14062, 16216, 22297, 28124, 44594, 56248, 77341, 89188, 154682, 160133, 178376, 180403, 309364, 320266, 360806, 618728, 640532, 721612, 1281064, 1443224, 1761463, 1984433, 3522926, 3968866, 7045852, 7937732, 14091704, 14251837, 15875464, 28503674, 57007348, 114014696, 156770207, 313540414, 627080828, 1254161656]

約数ペア:

[(1, 1254161656), (2, 627080828), (4, 313540414), (8, 156770207), (11, 114014696), (22, 57007348), (44, 28503674), (79, 15875464), (88, 14251837), (89, 14091704), (158, 7937732), (178, 7045852), (316, 3968866), (356, 3522926), (632, 1984433), (712, 1761463), (869, 1443224), (979, 1281064), (1738, 721612), (1958, 640532), (2027, 618728), (3476, 360806), (3916, 320266), (4054, 309364), (6952, 180403), (7031, 178376), (7832, 160133), (8108, 154682), (14062, 89188), (16216, 77341), (22297, 56248), (28124, 44594)]