66781336

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{487}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 127982880

約数和(自身を除く): 61201544

約数列:

[1, 2, 4, 8, 61, 122, 244, 281, 487, 488, 562, 974, 1124, 1948, 2248, 3896, 17141, 29707, 34282, 59414, 68564, 118828, 136847, 137128, 237656, 273694, 547388, 1094776, 8347667, 16695334, 33390668, 66781336]

約数ペア:

[(1, 66781336), (2, 33390668), (4, 16695334), (8, 8347667), (61, 1094776), (122, 547388), (244, 273694), (281, 237656), (487, 137128), (488, 136847), (562, 118828), (974, 68564), (1124, 59414), (1948, 34282), (2248, 29707), (3896, 17141)]