128519532

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 338083200

約数和(自身を除く): 209563668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 257, 261, 348, 479, 514, 522, 771, 958, 1028, 1044, 1437, 1542, 1916, 2313, 2874, 3084, 4311, 4626, 5748, 7453, 8622, 9252, 13891, 14906, 17244, 22359, 27782, 29812, 41673, 44718, 55564, 67077, 83346, 89436, 123103, 125019, 134154, 166692, 246206, 250038, 268308, 369309, 492412, 500076, 738618, 1107927, 1477236, 2215854, 3569987, 4431708, 7139974, 10709961, 14279948, 21419922, 32129883, 42839844, 64259766, 128519532]

約数ペア:

[(1, 128519532), (2, 64259766), (3, 42839844), (4, 32129883), (6, 21419922), (9, 14279948), (12, 10709961), (18, 7139974), (29, 4431708), (36, 3569987), (58, 2215854), (87, 1477236), (116, 1107927), (174, 738618), (257, 500076), (261, 492412), (348, 369309), (479, 268308), (514, 250038), (522, 246206), (771, 166692), (958, 134154), (1028, 125019), (1044, 123103), (1437, 89436), (1542, 83346), (1916, 67077), (2313, 55564), (2874, 44718), (3084, 41673), (4311, 29812), (4626, 27782), (5748, 22359), (7453, 17244), (8622, 14906), (9252, 13891)]