89370985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 131383296

約数和(自身を除く): 42012311

約数列:

[1, 5, 11, 23, 31, 43, 53, 55, 115, 155, 215, 253, 265, 341, 473, 583, 713, 989, 1219, 1265, 1333, 1643, 1705, 2279, 2365, 2915, 3565, 4945, 6095, 6665, 7843, 8215, 10879, 11395, 13409, 14663, 18073, 25069, 30659, 37789, 39215, 52417, 54395, 67045, 70649, 73315, 90365, 125345, 153295, 188945, 262085, 337249, 353245, 415679, 576587, 777139, 1624927, 1686245, 2078395, 2882935, 3885695, 8124635, 17874197, 89370985]

約数ペア:

[(1, 89370985), (5, 17874197), (11, 8124635), (23, 3885695), (31, 2882935), (43, 2078395), (53, 1686245), (55, 1624927), (115, 777139), (155, 576587), (215, 415679), (253, 353245), (265, 337249), (341, 262085), (473, 188945), (583, 153295), (713, 125345), (989, 90365), (1219, 73315), (1265, 70649), (1333, 67045), (1643, 54395), (1705, 52417), (2279, 39215), (2365, 37789), (2915, 30659), (3565, 25069), (4945, 18073), (6095, 14663), (6665, 13409), (7843, 11395), (8215, 10879)]