28009744

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 67281408

約数和(自身を除く): 39271664

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 47, 56, 68, 94, 112, 119, 136, 188, 238, 272, 313, 329, 376, 476, 626, 658, 752, 799, 952, 1252, 1316, 1598, 1904, 2191, 2504, 2632, 3196, 4382, 5008, 5264, 5321, 5593, 6392, 8764, 10642, 11186, 12784, 14711, 17528, 21284, 22372, 29422, 35056, 37247, 42568, 44744, 58844, 74494, 85136, 89488, 102977, 117688, 148988, 205954, 235376, 250087, 297976, 411908, 500174, 595952, 823816, 1000348, 1647632, 1750609, 2000696, 3501218, 4001392, 7002436, 14004872, 28009744]

約数ペア:

[(1, 28009744), (2, 14004872), (4, 7002436), (7, 4001392), (8, 3501218), (14, 2000696), (16, 1750609), (17, 1647632), (28, 1000348), (34, 823816), (47, 595952), (56, 500174), (68, 411908), (94, 297976), (112, 250087), (119, 235376), (136, 205954), (188, 148988), (238, 117688), (272, 102977), (313, 89488), (329, 85136), (376, 74494), (476, 58844), (626, 44744), (658, 42568), (752, 37247), (799, 35056), (952, 29422), (1252, 22372), (1316, 21284), (1598, 17528), (1904, 14711), (2191, 12784), (2504, 11186), (2632, 10642), (3196, 8764), (4382, 6392), (5008, 5593), (5264, 5321)]