257145164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{24697}}^1$

素因数の和:24857

約数の個数: 24

約数和(自身を含む): 477165360

約数和(自身を除く): 220020196

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 2603, 5206, 10412, 24697, 49394, 98788, 469243, 938486, 1876972, 3383489, 6766978, 13533956, 64286291, 128572582, 257145164]

約数ペア:

[(1, 257145164), (2, 128572582), (4, 64286291), (19, 13533956), (38, 6766978), (76, 3383489), (137, 1876972), (274, 938486), (548, 469243), (2603, 98788), (5206, 49394), (10412, 24697)]