66399278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 111570048

約数和(自身を除く): 45170770

約数列:

[1, 2, 11, 22, 67, 107, 134, 214, 421, 737, 842, 1177, 1474, 2354, 4631, 7169, 9262, 14338, 28207, 45047, 56414, 78859, 90094, 157718, 310277, 495517, 620554, 991034, 3018149, 6036298, 33199639, 66399278]

約数ペア:

[(1, 66399278), (2, 33199639), (11, 6036298), (22, 3018149), (67, 991034), (107, 620554), (134, 495517), (214, 310277), (421, 157718), (737, 90094), (842, 78859), (1177, 56414), (1474, 45047), (2354, 28207), (4631, 14338), (7169, 9262)]