209529008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{21433}}^1$

素因数の和:21501

約数の個数: 40

約数和(自身を含む): 446513088

約数和(自身を除く): 236984080

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 21433, 42866, 85732, 171464, 278629, 342928, 557258, 1007351, 1114516, 2014702, 2229032, 4029404, 4458064, 8058808, 13095563, 16117616, 26191126, 52382252, 104764504, 209529008]

約数ペア:

[(1, 209529008), (2, 104764504), (4, 52382252), (8, 26191126), (13, 16117616), (16, 13095563), (26, 8058808), (47, 4458064), (52, 4029404), (94, 2229032), (104, 2014702), (188, 1114516), (208, 1007351), (376, 557258), (611, 342928), (752, 278629), (1222, 171464), (2444, 85732), (4888, 42866), (9776, 21433)]