256069424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 557297664

約数和(自身を除く): 301228240

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 151, 208, 248, 263, 302, 403, 496, 526, 604, 806, 1052, 1208, 1612, 1963, 2104, 2416, 3224, 3419, 3926, 4208, 4681, 6448, 6838, 7852, 8153, 9362, 13676, 15704, 16306, 18724, 27352, 31408, 32612, 37448, 39713, 54704, 60853, 65224, 74896, 79426, 105989, 121706, 130448, 158852, 211978, 243412, 317704, 423956, 486824, 516269, 635408, 847912, 973648, 1032538, 1231103, 1695824, 2065076, 2462206, 4130152, 4924412, 8260304, 9848824, 16004339, 19697648, 32008678, 64017356, 128034712, 256069424]

約数ペア:

[(1, 256069424), (2, 128034712), (4, 64017356), (8, 32008678), (13, 19697648), (16, 16004339), (26, 9848824), (31, 8260304), (52, 4924412), (62, 4130152), (104, 2462206), (124, 2065076), (151, 1695824), (208, 1231103), (248, 1032538), (263, 973648), (302, 847912), (403, 635408), (496, 516269), (526, 486824), (604, 423956), (806, 317704), (1052, 243412), (1208, 211978), (1612, 158852), (1963, 130448), (2104, 121706), (2416, 105989), (3224, 79426), (3419, 74896), (3926, 65224), (4208, 60853), (4681, 54704), (6448, 39713), (6838, 37448), (7852, 32612), (8153, 31408), (9362, 27352), (13676, 18724), (15704, 16306)]