87753325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 125116992

約数和(自身を除く): 37363667

約数列:

[1, 5, 11, 25, 41, 43, 55, 181, 205, 215, 275, 451, 473, 905, 1025, 1075, 1763, 1991, 2255, 2365, 4525, 7421, 7783, 8815, 9955, 11275, 11825, 19393, 37105, 38915, 44075, 49775, 81631, 85613, 96965, 185525, 194575, 319103, 408155, 428065, 484825, 1595515, 2040775, 2140325, 3510133, 7977575, 17550665, 87753325]

約数ペア:

[(1, 87753325), (5, 17550665), (11, 7977575), (25, 3510133), (41, 2140325), (43, 2040775), (55, 1595515), (181, 484825), (205, 428065), (215, 408155), (275, 319103), (451, 194575), (473, 185525), (905, 96965), (1025, 85613), (1075, 81631), (1763, 49775), (1991, 44075), (2255, 38915), (2365, 37105), (4525, 19393), (7421, 11825), (7783, 11275), (8815, 9955)]