127680931

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 164160000

約数和(自身を除く): 36479069

約数列:

[1, 7, 17, 19, 119, 133, 149, 323, 379, 1043, 2261, 2533, 2653, 2831, 6443, 7201, 17731, 19817, 45101, 48127, 50407, 56471, 122417, 336889, 395297, 856919, 960007, 1072949, 6720049, 7510643, 18240133, 127680931]

約数ペア:

[(1, 127680931), (7, 18240133), (17, 7510643), (19, 6720049), (119, 1072949), (133, 960007), (149, 856919), (323, 395297), (379, 336889), (1043, 122417), (2261, 56471), (2533, 50407), (2653, 48127), (2831, 45101), (6443, 19817), (7201, 17731)]