18161525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 24087744

約数和(自身を除く): 5926219

約数列:

[1, 5, 17, 25, 85, 151, 283, 425, 755, 1415, 2567, 3775, 4811, 7075, 12835, 24055, 42733, 64175, 120275, 213665, 726461, 1068325, 3632305, 18161525]

約数ペア:

[(1, 18161525), (5, 3632305), (17, 1068325), (25, 726461), (85, 213665), (151, 120275), (283, 64175), (425, 42733), (755, 24055), (1415, 12835), (2567, 7075), (3775, 4811)]