986789985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1831}}^1$

素因数の和:1950

約数の個数: 64

約数和(自身を含む): 1744650240

約数和(自身を除く): 757860255

約数列:

[1, 3, 5, 15, 19, 31, 57, 61, 93, 95, 155, 183, 285, 305, 465, 589, 915, 1159, 1767, 1831, 1891, 2945, 3477, 5493, 5673, 5795, 8835, 9155, 9455, 17385, 27465, 28365, 34789, 35929, 56761, 104367, 107787, 111691, 170283, 173945, 179645, 283805, 335073, 521835, 538935, 558455, 851415, 1078459, 1675365, 2122129, 3235377, 3462421, 5392295, 6366387, 10387263, 10610645, 16176885, 17312105, 31831935, 51936315, 65785999, 197357997, 328929995, 986789985]

約数ペア:

[(1, 986789985), (3, 328929995), (5, 197357997), (15, 65785999), (19, 51936315), (31, 31831935), (57, 17312105), (61, 16176885), (93, 10610645), (95, 10387263), (155, 6366387), (183, 5392295), (285, 3462421), (305, 3235377), (465, 2122129), (589, 1675365), (915, 1078459), (1159, 851415), (1767, 558455), (1831, 538935), (1891, 521835), (2945, 335073), (3477, 283805), (5493, 179645), (5673, 173945), (5795, 170283), (8835, 111691), (9155, 107787), (9455, 104367), (17385, 56761), (27465, 35929), (28365, 34789)]