28474292

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 64810368

約数和(自身を除く): 36336076

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 49, 77, 94, 98, 154, 188, 196, 281, 308, 329, 517, 539, 562, 658, 1034, 1078, 1124, 1316, 1967, 2068, 2156, 2303, 3091, 3619, 3934, 4606, 6182, 7238, 7868, 9212, 12364, 13207, 13769, 14476, 21637, 25333, 26414, 27538, 43274, 50666, 52828, 55076, 86548, 92449, 101332, 145277, 151459, 184898, 290554, 302918, 369796, 581108, 605836, 647143, 1016939, 1294286, 2033878, 2588572, 4067756, 7118573, 14237146, 28474292]

約数ペア:

[(1, 28474292), (2, 14237146), (4, 7118573), (7, 4067756), (11, 2588572), (14, 2033878), (22, 1294286), (28, 1016939), (44, 647143), (47, 605836), (49, 581108), (77, 369796), (94, 302918), (98, 290554), (154, 184898), (188, 151459), (196, 145277), (281, 101332), (308, 92449), (329, 86548), (517, 55076), (539, 52828), (562, 50666), (658, 43274), (1034, 27538), (1078, 26414), (1124, 25333), (1316, 21637), (1967, 14476), (2068, 13769), (2156, 13207), (2303, 12364), (3091, 9212), (3619, 7868), (3934, 7238), (4606, 6182)]