166163075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 237484800

約数和(自身を除く): 71321725

約数列:

[1, 5, 13, 19, 25, 65, 71, 95, 247, 325, 355, 379, 475, 923, 1235, 1349, 1775, 1895, 4615, 4927, 6175, 6745, 7201, 9475, 17537, 23075, 24635, 26909, 33725, 36005, 87685, 93613, 123175, 134545, 180025, 349817, 438425, 468065, 511271, 672725, 1749085, 2340325, 2556355, 6646523, 8745425, 12781775, 33232615, 166163075]

約数ペア:

[(1, 166163075), (5, 33232615), (13, 12781775), (19, 8745425), (25, 6646523), (65, 2556355), (71, 2340325), (95, 1749085), (247, 672725), (325, 511271), (355, 468065), (379, 438425), (475, 349817), (923, 180025), (1235, 134545), (1349, 123175), (1775, 93613), (1895, 87685), (4615, 36005), (4927, 33725), (6175, 26909), (6745, 24635), (7201, 23075), (9475, 17537)]