638512941

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{2063}}^1$

素因数の和:2273

約数の個数: 32

約数和(自身を含む): 948713472

約数和(自身を除く): 310200531

約数列:

[1, 3, 11, 33, 83, 113, 249, 339, 913, 1243, 2063, 2739, 3729, 6189, 9379, 22693, 28137, 68079, 103169, 171229, 233119, 309507, 513687, 699357, 1883519, 2564309, 5650557, 7692927, 19348877, 58046631, 212837647, 638512941]

約数ペア:

[(1, 638512941), (3, 212837647), (11, 58046631), (33, 19348877), (83, 7692927), (113, 5650557), (249, 2564309), (339, 1883519), (913, 699357), (1243, 513687), (2063, 309507), (2739, 233119), (3729, 171229), (6189, 103169), (9379, 68079), (22693, 28137)]