31781442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68791}}^1$

素因数の和:68814

約数の個数: 32

約数和(自身を含む): 79248384

約数和(自身を除く): 47466942

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 68791, 137582, 206373, 412746, 481537, 756701, 963074, 1444611, 1513402, 2270103, 2889222, 4540206, 5296907, 10593814, 15890721, 31781442]

約数ペア:

[(1, 31781442), (2, 15890721), (3, 10593814), (6, 5296907), (7, 4540206), (11, 2889222), (14, 2270103), (21, 1513402), (22, 1444611), (33, 963074), (42, 756701), (66, 481537), (77, 412746), (154, 206373), (231, 137582), (462, 68791)]