217032478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{1217}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 370369440

約数和(自身を除く): 153336962

約数列:

[1, 2, 13, 19, 26, 38, 247, 361, 494, 722, 1217, 2434, 4693, 6859, 9386, 13718, 15821, 23123, 31642, 46246, 89167, 178334, 300599, 439337, 601198, 878674, 5711381, 8347403, 11422762, 16694806, 108516239, 217032478]

約数ペア:

[(1, 217032478), (2, 108516239), (13, 16694806), (19, 11422762), (26, 8347403), (38, 5711381), (247, 878674), (361, 601198), (494, 439337), (722, 300599), (1217, 178334), (2434, 89167), (4693, 46246), (6859, 31642), (9386, 23123), (13718, 15821)]