199742512

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:781

約数の個数: 40

約数和(自身を含む): 392586480

約数和(自身を除く): 192843968

約数列:

[1, 2, 4, 8, 16, 131, 233, 262, 409, 466, 524, 818, 932, 1048, 1636, 1864, 2096, 3272, 3728, 6544, 30523, 53579, 61046, 95297, 107158, 122092, 190594, 214316, 244184, 381188, 428632, 488368, 762376, 857264, 1524752, 12483907, 24967814, 49935628, 99871256, 199742512]

約数ペア:

[(1, 199742512), (2, 99871256), (4, 49935628), (8, 24967814), (16, 12483907), (131, 1524752), (233, 857264), (262, 762376), (409, 488368), (466, 428632), (524, 381188), (818, 244184), (932, 214316), (1048, 190594), (1636, 122092), (1864, 107158), (2096, 95297), (3272, 61046), (3728, 53579), (6544, 30523)]