31366139

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 8809861

約数列:

[1, 7, 17, 29, 61, 119, 149, 203, 427, 493, 1037, 1043, 1769, 2533, 3451, 4321, 7259, 9089, 12383, 17731, 30073, 30247, 63623, 73457, 154513, 210511, 263581, 514199, 1081591, 1845067, 4480877, 31366139]

約数ペア:

[(1, 31366139), (7, 4480877), (17, 1845067), (29, 1081591), (61, 514199), (119, 263581), (149, 210511), (203, 154513), (427, 73457), (493, 63623), (1037, 30247), (1043, 30073), (1769, 17731), (2533, 12383), (3451, 9089), (4321, 7259)]