81804278

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{1301}}^1$

素因数の和:1663

約数の個数: 16

約数和(自身を含む): 124210800

約数和(自身を除く): 42406522

約数列:

[1, 2, 149, 211, 298, 422, 1301, 2602, 31439, 62878, 193849, 274511, 387698, 549022, 40902139, 81804278]

約数ペア:

[(1, 81804278), (2, 40902139), (149, 549022), (211, 387698), (298, 274511), (422, 193849), (1301, 62878), (2602, 31439)]