1285128436

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{252779}}^1$

素因数の和:252855

約数の個数: 24

約数和(自身を含む): 2378154240

約数和(自身を除く): 1093025804

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 164, 1271, 2542, 5084, 252779, 505558, 1011116, 7836149, 10363939, 15672298, 20727878, 31344596, 41455756, 321282109, 642564218, 1285128436]

約数ペア:

[(1, 1285128436), (2, 642564218), (4, 321282109), (31, 41455756), (41, 31344596), (62, 20727878), (82, 15672298), (124, 10363939), (164, 7836149), (1271, 1011116), (2542, 505558), (5084, 252779)]