27990724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 54835200

約数和(自身を除く): 26844476

約数列:

[1, 2, 4, 19, 23, 38, 46, 67, 76, 92, 134, 239, 268, 437, 478, 874, 956, 1273, 1541, 1748, 2546, 3082, 4541, 5092, 5497, 6164, 9082, 10994, 16013, 18164, 21988, 29279, 32026, 58558, 64052, 104443, 117116, 208886, 304247, 368299, 417772, 608494, 736598, 1216988, 1473196, 6997681, 13995362, 27990724]

約数ペア:

[(1, 27990724), (2, 13995362), (4, 6997681), (19, 1473196), (23, 1216988), (38, 736598), (46, 608494), (67, 417772), (76, 368299), (92, 304247), (134, 208886), (239, 117116), (268, 104443), (437, 64052), (478, 58558), (874, 32026), (956, 29279), (1273, 21988), (1541, 18164), (1748, 16013), (2546, 10994), (3082, 9082), (4541, 6164), (5092, 5497)]