553669610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137387}}^1$

素因数の和:137438

約数の個数: 32

約数和(自身を含む): 1107896832

約数和(自身を除く): 554227222

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 137387, 274774, 686935, 1373870, 1786031, 3572062, 4258997, 8517994, 8930155, 17860310, 21294985, 42589970, 55366961, 110733922, 276834805, 553669610]

約数ペア:

[(1, 553669610), (2, 276834805), (5, 110733922), (10, 55366961), (13, 42589970), (26, 21294985), (31, 17860310), (62, 8930155), (65, 8517994), (130, 4258997), (155, 3572062), (310, 1786031), (403, 1373870), (806, 686935), (2015, 274774), (4030, 137387)]