641325564

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{37663}}^1$

素因数の和:37727

約数の個数: 72

約数和(自身を含む): 1809679872

約数和(自身を除く): 1168354308

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 129, 132, 172, 198, 258, 387, 396, 473, 516, 774, 946, 1419, 1548, 1892, 2838, 4257, 5676, 8514, 17028, 37663, 75326, 112989, 150652, 225978, 338967, 414293, 451956, 677934, 828586, 1242879, 1355868, 1619509, 1657172, 2485758, 3239018, 3728637, 4858527, 4971516, 6478036, 7457274, 9717054, 14575581, 14914548, 17814599, 19434108, 29151162, 35629198, 53443797, 58302324, 71258396, 106887594, 160331391, 213775188, 320662782, 641325564]

約数ペア:

[(1, 641325564), (2, 320662782), (3, 213775188), (4, 160331391), (6, 106887594), (9, 71258396), (11, 58302324), (12, 53443797), (18, 35629198), (22, 29151162), (33, 19434108), (36, 17814599), (43, 14914548), (44, 14575581), (66, 9717054), (86, 7457274), (99, 6478036), (129, 4971516), (132, 4858527), (172, 3728637), (198, 3239018), (258, 2485758), (387, 1657172), (396, 1619509), (473, 1355868), (516, 1242879), (774, 828586), (946, 677934), (1419, 451956), (1548, 414293), (1892, 338967), (2838, 225978), (4257, 150652), (5676, 112989), (8514, 75326), (17028, 37663)]