256543273

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{461}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 307475784

約数和(自身を除く): 50932511

約数列:

[1, 7, 41, 49, 277, 287, 461, 1939, 2009, 3227, 11357, 13573, 18901, 22589, 79499, 127697, 132307, 556493, 893879, 926149, 5235577, 6257153, 36649039, 256543273]

約数ペア:

[(1, 256543273), (7, 36649039), (41, 6257153), (49, 5235577), (277, 926149), (287, 893879), (461, 556493), (1939, 132307), (2009, 127697), (3227, 79499), (11357, 22589), (13573, 18901)]