221756075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7349}}^1$

素因数の和:7447

約数の個数: 24

約数和(自身を含む): 295293600

約数和(自身を除く): 73537525

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 1207, 1775, 6035, 7349, 30175, 36745, 124933, 183725, 521779, 624665, 2608895, 3123325, 8870243, 13044475, 44351215, 221756075]

約数ペア:

[(1, 221756075), (5, 44351215), (17, 13044475), (25, 8870243), (71, 3123325), (85, 2608895), (355, 624665), (425, 521779), (1207, 183725), (1775, 124933), (6035, 36745), (7349, 30175)]