42131678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 69587424

約数和(自身を除く): 27455746

約数列:

[1, 2, 17, 34, 37, 74, 107, 214, 313, 626, 629, 1258, 1819, 3638, 3959, 5321, 7918, 10642, 11581, 23162, 33491, 66982, 67303, 134606, 196877, 393754, 569347, 1138694, 1239167, 2478334, 21065839, 42131678]

約数ペア:

[(1, 42131678), (2, 21065839), (17, 2478334), (34, 1239167), (37, 1138694), (74, 569347), (107, 393754), (214, 196877), (313, 134606), (626, 67303), (629, 66982), (1258, 33491), (1819, 23162), (3638, 11581), (3959, 10642), (5321, 7918)]