85691788

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^3\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 72

約数和(自身を含む): 189924000

約数和(自身を除く): 104232212

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 199, 338, 364, 398, 637, 676, 796, 1183, 1274, 1393, 2197, 2366, 2548, 2587, 2786, 4394, 4732, 5174, 5572, 8281, 8788, 9751, 10348, 15379, 16562, 18109, 19502, 30758, 33124, 33631, 36218, 39004, 61516, 67262, 72436, 107653, 126763, 134524, 215306, 235417, 253526, 430612, 437203, 470834, 507052, 874406, 941668, 1647919, 1748812, 3060421, 3295838, 6120842, 6591676, 12241684, 21422947, 42845894, 85691788]

約数ペア:

[(1, 85691788), (2, 42845894), (4, 21422947), (7, 12241684), (13, 6591676), (14, 6120842), (26, 3295838), (28, 3060421), (49, 1748812), (52, 1647919), (91, 941668), (98, 874406), (169, 507052), (182, 470834), (196, 437203), (199, 430612), (338, 253526), (364, 235417), (398, 215306), (637, 134524), (676, 126763), (796, 107653), (1183, 72436), (1274, 67262), (1393, 61516), (2197, 39004), (2366, 36218), (2548, 33631), (2587, 33124), (2786, 30758), (4394, 19502), (4732, 18109), (5174, 16562), (5572, 15379), (8281, 10348), (8788, 9751)]