25990138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 17348102

約数列:

[1, 2, 19, 23, 38, 46, 131, 227, 262, 437, 454, 874, 2489, 3013, 4313, 4978, 5221, 6026, 8626, 10442, 29737, 57247, 59474, 99199, 114494, 198398, 565003, 683951, 1130006, 1367902, 12995069, 25990138]

約数ペア:

[(1, 25990138), (2, 12995069), (19, 1367902), (23, 1130006), (38, 683951), (46, 565003), (131, 198398), (227, 114494), (262, 99199), (437, 59474), (454, 57247), (874, 29737), (2489, 10442), (3013, 8626), (4313, 6026), (4978, 5221)]