257662016

素因数分解:

$2^6\times {\mathrm{199}}^1\times {\mathrm{20231}}^1$

素因数の和:20442

約数の個数: 28

約数和(自身を含む): 513892800

約数和(自身を除く): 256230784

約数列:

[1, 2, 4, 8, 16, 32, 64, 199, 398, 796, 1592, 3184, 6368, 12736, 20231, 40462, 80924, 161848, 323696, 647392, 1294784, 4025969, 8051938, 16103876, 32207752, 64415504, 128831008, 257662016]

約数ペア:

[(1, 257662016), (2, 128831008), (4, 64415504), (8, 32207752), (16, 16103876), (32, 8051938), (64, 4025969), (199, 1294784), (398, 647392), (796, 323696), (1592, 161848), (3184, 80924), (6368, 40462), (12736, 20231)]