161513015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{383}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 214548480

約数和(自身を除く): 53035465

約数列:

[1, 5, 19, 23, 95, 115, 193, 383, 437, 965, 1915, 2185, 3667, 4439, 7277, 8809, 18335, 22195, 36385, 44045, 73919, 84341, 167371, 369595, 421705, 836855, 1404461, 1700137, 7022305, 8500685, 32302603, 161513015]

約数ペア:

[(1, 161513015), (5, 32302603), (19, 8500685), (23, 7022305), (95, 1700137), (115, 1404461), (193, 836855), (383, 421705), (437, 369595), (965, 167371), (1915, 84341), (2185, 73919), (3667, 44045), (4439, 36385), (7277, 22195), (8809, 18335)]