38959216

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 77338800

約数和(自身を除く): 38379584

約数列:

[1, 2, 4, 8, 16, 89, 109, 178, 218, 251, 356, 436, 502, 712, 872, 1004, 1424, 1744, 2008, 4016, 9701, 19402, 22339, 27359, 38804, 44678, 54718, 77608, 89356, 109436, 155216, 178712, 218872, 357424, 437744, 2434951, 4869902, 9739804, 19479608, 38959216]

約数ペア:

[(1, 38959216), (2, 19479608), (4, 9739804), (8, 4869902), (16, 2434951), (89, 437744), (109, 357424), (178, 218872), (218, 178712), (251, 155216), (356, 109436), (436, 89356), (502, 77608), (712, 54718), (872, 44678), (1004, 38804), (1424, 27359), (1744, 22339), (2008, 19402), (4016, 9701)]