2019967285

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1129}}^1$

素因数の和:1286

約数の個数: 64

約数和(自身を含む): 3061739520

約数和(自身を除く): 1041772235

約数列:

[1, 5, 7, 17, 31, 35, 85, 97, 119, 155, 217, 485, 527, 595, 679, 1085, 1129, 1649, 2635, 3007, 3395, 3689, 5645, 7903, 8245, 11543, 15035, 18445, 19193, 21049, 34999, 39515, 51119, 57715, 95965, 105245, 109513, 134351, 174995, 244993, 255595, 357833, 547565, 594983, 671755, 766591, 1224965, 1789165, 1861721, 2974915, 3394903, 3832955, 4164881, 9308605, 13032047, 16974515, 20824405, 23764321, 57713351, 65160235, 118821605, 288566755, 403993457, 2019967285]

約数ペア:

[(1, 2019967285), (5, 403993457), (7, 288566755), (17, 118821605), (31, 65160235), (35, 57713351), (85, 23764321), (97, 20824405), (119, 16974515), (155, 13032047), (217, 9308605), (485, 4164881), (527, 3832955), (595, 3394903), (679, 2974915), (1085, 1861721), (1129, 1789165), (1649, 1224965), (2635, 766591), (3007, 671755), (3395, 594983), (3689, 547565), (5645, 357833), (7903, 255595), (8245, 244993), (11543, 174995), (15035, 134351), (18445, 109513), (19193, 105245), (21049, 95965), (34999, 57715), (39515, 51119)]