253781648

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{145517}}^1$

素因数の和:145634

約数の個数: 20

約数和(自身を含む): 496216380

約数和(自身を除く): 242434732

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 145517, 291034, 582068, 1164136, 2328272, 15861353, 31722706, 63445412, 126890824, 253781648]

約数ペア:

[(1, 253781648), (2, 126890824), (4, 63445412), (8, 31722706), (16, 15861353), (109, 2328272), (218, 1164136), (436, 582068), (872, 291034), (1744, 145517)]