25220484

素因数分解:

$2^2\times 3^8\times {\mathrm{31}}^2$

素因数の和:90

約数の個数: 81

約数和(自身を含む): 68404791

約数和(自身を除く): 43184307

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 729, 837, 961, 972, 1116, 1458, 1674, 1922, 2187, 2511, 2883, 2916, 3348, 3844, 4374, 5022, 5766, 6561, 7533, 8649, 8748, 10044, 11532, 13122, 15066, 17298, 22599, 25947, 26244, 30132, 34596, 45198, 51894, 67797, 77841, 90396, 103788, 135594, 155682, 203391, 233523, 271188, 311364, 406782, 467046, 700569, 813564, 934092, 1401138, 2101707, 2802276, 4203414, 6305121, 8406828, 12610242, 25220484]

約数ペア:

[(1, 25220484), (2, 12610242), (3, 8406828), (4, 6305121), (6, 4203414), (9, 2802276), (12, 2101707), (18, 1401138), (27, 934092), (31, 813564), (36, 700569), (54, 467046), (62, 406782), (81, 311364), (93, 271188), (108, 233523), (124, 203391), (162, 155682), (186, 135594), (243, 103788), (279, 90396), (324, 77841), (372, 67797), (486, 51894), (558, 45198), (729, 34596), (837, 30132), (961, 26244), (972, 25947), (1116, 22599), (1458, 17298), (1674, 15066), (1922, 13122), (2187, 11532), (2511, 10044), (2883, 8748), (2916, 8649), (3348, 7533), (3844, 6561), (4374, 5766)]