257467128

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{228251}}^1$

素因数の和:228307

約数の個数: 32

約数和(自身を含む): 657365760

約数和(自身を除く): 399898632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 228251, 456502, 684753, 913004, 1369506, 1826008, 2739012, 5478024, 10727797, 21455594, 32183391, 42911188, 64366782, 85822376, 128733564, 257467128]

約数ペア:

[(1, 257467128), (2, 128733564), (3, 85822376), (4, 64366782), (6, 42911188), (8, 32183391), (12, 21455594), (24, 10727797), (47, 5478024), (94, 2739012), (141, 1826008), (188, 1369506), (282, 913004), (376, 684753), (564, 456502), (1128, 228251)]