66187784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{636421}}^1$

素因数の和:636440

約数の個数: 16

約数和(自身を含む): 133648620

約数和(自身を除く): 67460836

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 636421, 1272842, 2545684, 5091368, 8273473, 16546946, 33093892, 66187784]

約数ペア:

[(1, 66187784), (2, 33093892), (4, 16546946), (8, 8273473), (13, 5091368), (26, 2545684), (52, 1272842), (104, 636421)]