7447428

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 20468448

約数和(自身を除く): 13021020

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 43, 51, 68, 86, 102, 129, 153, 172, 204, 258, 283, 306, 387, 516, 566, 612, 731, 774, 849, 1132, 1462, 1548, 1698, 2193, 2547, 2924, 3396, 4386, 4811, 5094, 6579, 8772, 9622, 10188, 12169, 13158, 14433, 19244, 24338, 26316, 28866, 36507, 43299, 48676, 57732, 73014, 86598, 109521, 146028, 173196, 206873, 219042, 413746, 438084, 620619, 827492, 1241238, 1861857, 2482476, 3723714, 7447428]

約数ペア:

[(1, 7447428), (2, 3723714), (3, 2482476), (4, 1861857), (6, 1241238), (9, 827492), (12, 620619), (17, 438084), (18, 413746), (34, 219042), (36, 206873), (43, 173196), (51, 146028), (68, 109521), (86, 86598), (102, 73014), (129, 57732), (153, 48676), (172, 43299), (204, 36507), (258, 28866), (283, 26316), (306, 24338), (387, 19244), (516, 14433), (566, 13158), (612, 12169), (731, 10188), (774, 9622), (849, 8772), (1132, 6579), (1462, 5094), (1548, 4811), (1698, 4386), (2193, 3396), (2547, 2924)]