209660402

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{4001}}^1$

素因数の和:4226

約数の個数: 32

約数和(自身を含む): 380350080

約数和(自身を除く): 170689678

約数列:

[1, 2, 7, 14, 19, 38, 133, 197, 266, 394, 1379, 2758, 3743, 4001, 7486, 8002, 26201, 28007, 52402, 56014, 76019, 152038, 532133, 788197, 1064266, 1576394, 5517379, 11034758, 14975743, 29951486, 104830201, 209660402]

約数ペア:

[(1, 209660402), (2, 104830201), (7, 29951486), (14, 14975743), (19, 11034758), (38, 5517379), (133, 1576394), (197, 1064266), (266, 788197), (394, 532133), (1379, 152038), (2758, 76019), (3743, 56014), (4001, 52402), (7486, 28007), (8002, 26201)]