56721890290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4902497}}^1$

素因数の和:4902606

約数の個数: 32

約数和(自身を含む): 111188654640

約数和(自身を除く): 54466764350

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 11570, 4902497, 9804994, 24512485, 49024970, 63732461, 127464922, 318662305, 436322233, 637324610, 872644466, 2181611165, 4363222330, 5672189029, 11344378058, 28360945145, 56721890290]

約数ペア:

[(1, 56721890290), (2, 28360945145), (5, 11344378058), (10, 5672189029), (13, 4363222330), (26, 2181611165), (65, 872644466), (89, 637324610), (130, 436322233), (178, 318662305), (445, 127464922), (890, 63732461), (1157, 49024970), (2314, 24512485), (5785, 9804994), (11570, 4902497)]