81873935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2663}}^1$

素因数の和:2735

約数の個数: 32

約数和(自身を含む): 118153728

約数和(自身を除く): 36279793

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 215, 473, 559, 715, 2365, 2663, 2795, 6149, 13315, 29293, 30745, 34619, 114509, 146465, 173095, 380809, 572545, 1259599, 1488617, 1904045, 6297995, 7443085, 16374787, 81873935]

約数ペア:

[(1, 81873935), (5, 16374787), (11, 7443085), (13, 6297995), (43, 1904045), (55, 1488617), (65, 1259599), (143, 572545), (215, 380809), (473, 173095), (559, 146465), (715, 114509), (2365, 34619), (2663, 30745), (2795, 29293), (6149, 13315)]