72319808

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2455

約数の個数: 56

約数和(自身を含む): 160263840

約数和(自身を除く): 87944032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 172, 176, 344, 352, 473, 688, 704, 946, 1376, 1892, 2389, 2752, 3784, 4778, 7568, 9556, 15136, 19112, 26279, 30272, 38224, 52558, 76448, 102727, 105116, 152896, 205454, 210232, 410908, 420464, 821816, 840928, 1129997, 1643632, 1681856, 2259994, 3287264, 4519988, 6574528, 9039976, 18079952, 36159904, 72319808]

約数ペア:

[(1, 72319808), (2, 36159904), (4, 18079952), (8, 9039976), (11, 6574528), (16, 4519988), (22, 3287264), (32, 2259994), (43, 1681856), (44, 1643632), (64, 1129997), (86, 840928), (88, 821816), (172, 420464), (176, 410908), (344, 210232), (352, 205454), (473, 152896), (688, 105116), (704, 102727), (946, 76448), (1376, 52558), (1892, 38224), (2389, 30272), (2752, 26279), (3784, 19112), (4778, 15136), (7568, 9556)]