81905626

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 146627712

約数和(自身を除く): 64722086

約数列:

[1, 2, 11, 17, 22, 34, 43, 86, 121, 187, 242, 374, 463, 473, 731, 926, 946, 1462, 2057, 4114, 5093, 5203, 7871, 8041, 10186, 10406, 15742, 16082, 19909, 39818, 56023, 86581, 88451, 112046, 173162, 176902, 218999, 338453, 437998, 676906, 952391, 1904782, 2408989, 3722983, 4817978, 7445966, 40952813, 81905626]

約数ペア:

[(1, 81905626), (2, 40952813), (11, 7445966), (17, 4817978), (22, 3722983), (34, 2408989), (43, 1904782), (86, 952391), (121, 676906), (187, 437998), (242, 338453), (374, 218999), (463, 176902), (473, 173162), (731, 112046), (926, 88451), (946, 86581), (1462, 56023), (2057, 39818), (4114, 19909), (5093, 16082), (5203, 15742), (7871, 10406), (8041, 10186)]