405257508

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 1041610752

約数和(自身を除く): 636353244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 137, 254, 274, 381, 411, 508, 548, 647, 762, 822, 1143, 1233, 1294, 1524, 1644, 1941, 2286, 2466, 2588, 3882, 4572, 4932, 5823, 7764, 11646, 17399, 23292, 34798, 52197, 69596, 82169, 88639, 104394, 156591, 164338, 177278, 208788, 246507, 265917, 313182, 328676, 354556, 493014, 531834, 626364, 739521, 797751, 986028, 1063668, 1479042, 1595502, 2958084, 3191004, 11257153, 22514306, 33771459, 45028612, 67542918, 101314377, 135085836, 202628754, 405257508]

約数ペア:

[(1, 405257508), (2, 202628754), (3, 135085836), (4, 101314377), (6, 67542918), (9, 45028612), (12, 33771459), (18, 22514306), (36, 11257153), (127, 3191004), (137, 2958084), (254, 1595502), (274, 1479042), (381, 1063668), (411, 986028), (508, 797751), (548, 739521), (647, 626364), (762, 531834), (822, 493014), (1143, 354556), (1233, 328676), (1294, 313182), (1524, 265917), (1644, 246507), (1941, 208788), (2286, 177278), (2466, 164338), (2588, 156591), (3882, 104394), (4572, 88639), (4932, 82169), (5823, 69596), (7764, 52197), (11646, 34798), (17399, 23292)]