313681775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 445471488

約数和(自身を除く): 131789713

約数列:

[1, 5, 11, 25, 41, 43, 55, 205, 215, 275, 451, 473, 647, 1025, 1075, 1763, 2255, 2365, 3235, 7117, 8815, 11275, 11825, 16175, 19393, 26527, 27821, 35585, 44075, 96965, 132635, 139105, 177925, 291797, 306031, 484825, 663175, 695525, 1140661, 1458985, 1530155, 5703305, 7294925, 7650775, 12547271, 28516525, 62736355, 313681775]

約数ペア:

[(1, 313681775), (5, 62736355), (11, 28516525), (25, 12547271), (41, 7650775), (43, 7294925), (55, 5703305), (205, 1530155), (215, 1458985), (275, 1140661), (451, 695525), (473, 663175), (647, 484825), (1025, 306031), (1075, 291797), (1763, 177925), (2255, 139105), (2365, 132635), (3235, 96965), (7117, 44075), (8815, 35585), (11275, 27821), (11825, 26527), (16175, 19393)]