17687739580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{994811}}^1$

素因数の和:994954

約数の個数: 48

約数和(自身を含む): 42784874496

約数和(自身を除く): 25097134916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 17780, 994811, 1989622, 3979244, 4974055, 6963677, 9948110, 13927354, 19896220, 27854708, 34818385, 69636770, 126340997, 139273540, 252681994, 505363988, 631704985, 884386979, 1263409970, 1768773958, 2526819940, 3537547916, 4421934895, 8843869790, 17687739580]

約数ペア:

[(1, 17687739580), (2, 8843869790), (4, 4421934895), (5, 3537547916), (7, 2526819940), (10, 1768773958), (14, 1263409970), (20, 884386979), (28, 631704985), (35, 505363988), (70, 252681994), (127, 139273540), (140, 126340997), (254, 69636770), (508, 34818385), (635, 27854708), (889, 19896220), (1270, 13927354), (1778, 9948110), (2540, 6963677), (3556, 4974055), (4445, 3979244), (8890, 1989622), (17780, 994811)]