68978884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{2143}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 130269440

約数和(自身を除く): 61290556

約数列:

[1, 2, 4, 13, 26, 52, 619, 1238, 2143, 2476, 4286, 8047, 8572, 16094, 27859, 32188, 55718, 111436, 1326517, 2653034, 5306068, 17244721, 34489442, 68978884]

約数ペア:

[(1, 68978884), (2, 34489442), (4, 17244721), (13, 5306068), (26, 2653034), (52, 1326517), (619, 111436), (1238, 55718), (2143, 32188), (2476, 27859), (4286, 16094), (8047, 8572)]