16612225

素因数分解:

$5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 24427008

約数和(自身を除く): 7814783

約数列:

[1, 5, 7, 25, 35, 49, 71, 175, 191, 245, 355, 497, 955, 1225, 1337, 1775, 2485, 3479, 4775, 6685, 9359, 12425, 13561, 17395, 33425, 46795, 67805, 86975, 94927, 233975, 339025, 474635, 664489, 2373175, 3322445, 16612225]

約数ペア:

[(1, 16612225), (5, 3322445), (7, 2373175), (25, 664489), (35, 474635), (49, 339025), (71, 233975), (175, 94927), (191, 86975), (245, 67805), (355, 46795), (497, 33425), (955, 17395), (1225, 13561), (1337, 12425), (1775, 9359), (2485, 6685), (3479, 4775)]