199438984

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{1637}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 380441880

約数和(自身を除く): 181002896

約数列:

[1, 2, 4, 8, 97, 157, 194, 314, 388, 628, 776, 1256, 1637, 3274, 6548, 13096, 15229, 30458, 60916, 121832, 158789, 257009, 317578, 514018, 635156, 1028036, 1270312, 2056072, 24929873, 49859746, 99719492, 199438984]

約数ペア:

[(1, 199438984), (2, 99719492), (4, 49859746), (8, 24929873), (97, 2056072), (157, 1270312), (194, 1028036), (314, 635156), (388, 514018), (628, 317578), (776, 257009), (1256, 158789), (1637, 121832), (3274, 60916), (6548, 30458), (13096, 15229)]