28515276

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:963

約数の個数: 72

約数和(自身を含む): 77575680

約数和(自身を除く): 49060404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 47, 57, 76, 94, 114, 141, 171, 188, 228, 282, 342, 423, 564, 684, 846, 887, 893, 1692, 1774, 1786, 2661, 2679, 3548, 3572, 5322, 5358, 7983, 8037, 10644, 10716, 15966, 16074, 16853, 31932, 32148, 33706, 41689, 50559, 67412, 83378, 101118, 125067, 151677, 166756, 202236, 250134, 303354, 375201, 500268, 606708, 750402, 792091, 1500804, 1584182, 2376273, 3168364, 4752546, 7128819, 9505092, 14257638, 28515276]

約数ペア:

[(1, 28515276), (2, 14257638), (3, 9505092), (4, 7128819), (6, 4752546), (9, 3168364), (12, 2376273), (18, 1584182), (19, 1500804), (36, 792091), (38, 750402), (47, 606708), (57, 500268), (76, 375201), (94, 303354), (114, 250134), (141, 202236), (171, 166756), (188, 151677), (228, 125067), (282, 101118), (342, 83378), (423, 67412), (564, 50559), (684, 41689), (846, 33706), (887, 32148), (893, 31932), (1692, 16853), (1774, 16074), (1786, 15966), (2661, 10716), (2679, 10644), (3548, 8037), (3572, 7983), (5322, 5358)]