257035128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1529971}}^1$

素因数の和:1529987

約数の個数: 32

約数和(自身を含む): 734386560

約数和(自身を除く): 477351432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1529971, 3059942, 4589913, 6119884, 9179826, 10709797, 12239768, 18359652, 21419594, 32129391, 36719304, 42839188, 64258782, 85678376, 128517564, 257035128]

約数ペア:

[(1, 257035128), (2, 128517564), (3, 85678376), (4, 64258782), (6, 42839188), (7, 36719304), (8, 32129391), (12, 21419594), (14, 18359652), (21, 12239768), (24, 10709797), (28, 9179826), (42, 6119884), (56, 4589913), (84, 3059942), (168, 1529971)]