61998265

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 87851520

約数和(自身を除く): 25853255

約数列:

[1, 5, 7, 35, 61, 71, 305, 355, 409, 427, 497, 2045, 2135, 2485, 2863, 4331, 14315, 21655, 24949, 29039, 30317, 124745, 145195, 151585, 174643, 203273, 873215, 1016365, 1771379, 8856895, 12399653, 61998265]

約数ペア:

[(1, 61998265), (5, 12399653), (7, 8856895), (35, 1771379), (61, 1016365), (71, 873215), (305, 203273), (355, 174643), (409, 151585), (427, 145195), (497, 124745), (2045, 30317), (2135, 29039), (2485, 24949), (2863, 21655), (4331, 14315)]