51245755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 74066400

約数和(自身を除く): 22820645

約数列:

[1, 5, 11, 19, 29, 55, 89, 95, 145, 209, 319, 361, 445, 551, 979, 1045, 1595, 1691, 1805, 2581, 2755, 3971, 4895, 6061, 8455, 10469, 12905, 18601, 19855, 28391, 30305, 32129, 49039, 52345, 93005, 115159, 141955, 160645, 245195, 353419, 539429, 575795, 931741, 1767095, 2697145, 4658705, 10249151, 51245755]

約数ペア:

[(1, 51245755), (5, 10249151), (11, 4658705), (19, 2697145), (29, 1767095), (55, 931741), (89, 575795), (95, 539429), (145, 353419), (209, 245195), (319, 160645), (361, 141955), (445, 115159), (551, 93005), (979, 52345), (1045, 49039), (1595, 32129), (1691, 30305), (1805, 28391), (2581, 19855), (2755, 18601), (3971, 12905), (4895, 10469), (6061, 8455)]