42290941

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 56171520

約数和(自身を除く): 13880579

約数列:

[1, 7, 11, 19, 77, 133, 137, 209, 211, 959, 1463, 1477, 1507, 2321, 2603, 4009, 10549, 16247, 18221, 28063, 28633, 28907, 44099, 200431, 202349, 308693, 317977, 549233, 2225839, 3844631, 6041563, 42290941]

約数ペア:

[(1, 42290941), (7, 6041563), (11, 3844631), (19, 2225839), (77, 549233), (133, 317977), (137, 308693), (209, 202349), (211, 200431), (959, 44099), (1463, 28907), (1477, 28633), (1507, 28063), (2321, 18221), (2603, 16247), (4009, 10549)]