28354004

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 60211200

約数和(自身を除く): 31857196

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 223, 239, 266, 446, 478, 532, 892, 956, 1561, 1673, 3122, 3346, 4237, 4541, 6244, 6692, 8474, 9082, 16948, 18164, 29659, 31787, 53297, 59318, 63574, 106594, 118636, 127148, 213188, 373079, 746158, 1012643, 1492316, 2025286, 4050572, 7088501, 14177002, 28354004]

約数ペア:

[(1, 28354004), (2, 14177002), (4, 7088501), (7, 4050572), (14, 2025286), (19, 1492316), (28, 1012643), (38, 746158), (76, 373079), (133, 213188), (223, 127148), (239, 118636), (266, 106594), (446, 63574), (478, 59318), (532, 53297), (892, 31787), (956, 29659), (1561, 18164), (1673, 16948), (3122, 9082), (3346, 8474), (4237, 6692), (4541, 6244)]