199469828

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{1291}}^1$

素因数の和:1440

約数の個数: 36

約数和(自身を含む): 372142512

約数和(自身を除く): 172672684

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 361, 428, 722, 1291, 1444, 2033, 2582, 4066, 5164, 8132, 24529, 38627, 49058, 77254, 98116, 138137, 154508, 276274, 466051, 552548, 932102, 1864204, 2624603, 5249206, 10498412, 49867457, 99734914, 199469828]

約数ペア:

[(1, 199469828), (2, 99734914), (4, 49867457), (19, 10498412), (38, 5249206), (76, 2624603), (107, 1864204), (214, 932102), (361, 552548), (428, 466051), (722, 276274), (1291, 154508), (1444, 138137), (2033, 98116), (2582, 77254), (4066, 49058), (5164, 38627), (8132, 24529)]