2033131375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 2864429568

約数和(自身を除く): 831298193

約数列:

[1, 5, 11, 25, 43, 55, 125, 137, 215, 251, 275, 473, 685, 1075, 1255, 1375, 1507, 2365, 2761, 3425, 5375, 5891, 6275, 7535, 10793, 11825, 13805, 17125, 29455, 31375, 34387, 37675, 53965, 59125, 64801, 69025, 118723, 147275, 171935, 188375, 269825, 324005, 345125, 378257, 593615, 736375, 859675, 1349125, 1478641, 1620025, 1891285, 2968075, 4298375, 7393205, 8100125, 9456425, 14840375, 16265051, 36966025, 47282125, 81325255, 184830125, 406626275, 2033131375]

約数ペア:

[(1, 2033131375), (5, 406626275), (11, 184830125), (25, 81325255), (43, 47282125), (55, 36966025), (125, 16265051), (137, 14840375), (215, 9456425), (251, 8100125), (275, 7393205), (473, 4298375), (685, 2968075), (1075, 1891285), (1255, 1620025), (1375, 1478641), (1507, 1349125), (2365, 859675), (2761, 736375), (3425, 593615), (5375, 378257), (5891, 345125), (6275, 324005), (7535, 269825), (10793, 188375), (11825, 171935), (13805, 147275), (17125, 118723), (29455, 69025), (31375, 64801), (34387, 59125), (37675, 53965)]