257831265654

素因数分解:

$2^1\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1021}}^1\times {\mathrm{28573}}^1$

素因数の和:30093

約数の個数: 48

約数和(自身を含む): 560340026064

約数和(自身を除く): 302508760410

約数列:

[1, 2, 3, 6, 9, 18, 491, 982, 1021, 1473, 2042, 2946, 3063, 4419, 6126, 8838, 9189, 18378, 28573, 57146, 85719, 171438, 257157, 501311, 514314, 1002622, 1503933, 3007866, 4511799, 9023598, 14029343, 28058686, 29173033, 42088029, 58346066, 84176058, 87519099, 126264087, 175038198, 252528174, 262557297, 525114594, 14323959203, 28647918406, 42971877609, 85943755218, 128915632827, 257831265654]

約数ペア:

[(1, 257831265654), (2, 128915632827), (3, 85943755218), (6, 42971877609), (9, 28647918406), (18, 14323959203), (491, 525114594), (982, 262557297), (1021, 252528174), (1473, 175038198), (2042, 126264087), (2946, 87519099), (3063, 84176058), (4419, 58346066), (6126, 42088029), (8838, 29173033), (9189, 28058686), (18378, 14029343), (28573, 9023598), (57146, 4511799), (85719, 3007866), (171438, 1503933), (257157, 1002622), (501311, 514314)]