678455032

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{1321}}^1\times {\mathrm{1493}}^1$

素因数の和:2863

約数の個数: 32

約数和(自身を含む): 1303544880

約数和(自身を除く): 625089848

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 1321, 1493, 2642, 2986, 5284, 5972, 10568, 11944, 56803, 64199, 113606, 128398, 227212, 256796, 454424, 513592, 1972253, 3944506, 7889012, 15778024, 84806879, 169613758, 339227516, 678455032]

約数ペア:

[(1, 678455032), (2, 339227516), (4, 169613758), (8, 84806879), (43, 15778024), (86, 7889012), (172, 3944506), (344, 1972253), (1321, 513592), (1493, 454424), (2642, 256796), (2986, 227212), (5284, 128398), (5972, 113606), (10568, 64199), (11944, 56803)]