890707105

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1151}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 1134673920

約数和(自身を除く): 243966815

約数列:

[1, 5, 37, 47, 89, 185, 235, 445, 1151, 1739, 3293, 4183, 5755, 8695, 16465, 20915, 42587, 54097, 102439, 154771, 212935, 270485, 512195, 773855, 2001589, 3790243, 4814633, 10007945, 18951215, 24073165, 178141421, 890707105]

約数ペア:

[(1, 890707105), (5, 178141421), (37, 24073165), (47, 18951215), (89, 10007945), (185, 4814633), (235, 3790243), (445, 2001589), (1151, 773855), (1739, 512195), (3293, 270485), (4183, 212935), (5755, 154771), (8695, 102439), (16465, 54097), (20915, 42587)]