401080784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{4957}}^1$

素因数の和:5367

約数の個数: 40

約数和(自身を含む): 839191080

約数和(自身を除く): 438110296

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 389, 778, 1556, 3112, 4957, 5057, 6224, 9914, 10114, 19828, 20228, 39656, 40456, 64441, 79312, 80912, 128882, 257764, 515528, 1031056, 1928273, 3856546, 7713092, 15426184, 25067549, 30852368, 50135098, 100270196, 200540392, 401080784]

約数ペア:

[(1, 401080784), (2, 200540392), (4, 100270196), (8, 50135098), (13, 30852368), (16, 25067549), (26, 15426184), (52, 7713092), (104, 3856546), (208, 1928273), (389, 1031056), (778, 515528), (1556, 257764), (3112, 128882), (4957, 80912), (5057, 79312), (6224, 64441), (9914, 40456), (10114, 39656), (19828, 20228)]