257419944

素因数分解:

$2^3\times 3^4\times {\mathrm{397253}}^1$

素因数の和:397271

約数の個数: 40

約数和(自身を含む): 721016010

約数和(自身を除く): 463596066

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 397253, 794506, 1191759, 1589012, 2383518, 3178024, 3575277, 4767036, 7150554, 9534072, 10725831, 14301108, 21451662, 28602216, 32177493, 42903324, 64354986, 85806648, 128709972, 257419944]

約数ペア:

[(1, 257419944), (2, 128709972), (3, 85806648), (4, 64354986), (6, 42903324), (8, 32177493), (9, 28602216), (12, 21451662), (18, 14301108), (24, 10725831), (27, 9534072), (36, 7150554), (54, 4767036), (72, 3575277), (81, 3178024), (108, 2383518), (162, 1589012), (216, 1191759), (324, 794506), (648, 397253)]