201877988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 388468080

約数和(自身を除く): 186590092

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 181, 241, 356, 362, 482, 724, 964, 1157, 2314, 2353, 3133, 4628, 4706, 6266, 9412, 12532, 16109, 21449, 32218, 42898, 43621, 64436, 85796, 87242, 174484, 209417, 278837, 418834, 557674, 567073, 837668, 1115348, 1134146, 2268292, 3882269, 7764538, 15529076, 50469497, 100938994, 201877988]

約数ペア:

[(1, 201877988), (2, 100938994), (4, 50469497), (13, 15529076), (26, 7764538), (52, 3882269), (89, 2268292), (178, 1134146), (181, 1115348), (241, 837668), (356, 567073), (362, 557674), (482, 418834), (724, 278837), (964, 209417), (1157, 174484), (2314, 87242), (2353, 85796), (3133, 64436), (4628, 43621), (4706, 42898), (6266, 32218), (9412, 21449), (12532, 16109)]