25643308

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 48898080

約数和(自身を除く): 23254772

約数列:

[1, 2, 4, 29, 43, 53, 58, 86, 97, 106, 116, 172, 194, 212, 388, 1247, 1537, 2279, 2494, 2813, 3074, 4171, 4558, 4988, 5141, 5626, 6148, 8342, 9116, 10282, 11252, 16684, 20564, 66091, 120959, 132182, 149089, 221063, 241918, 264364, 298178, 442126, 483836, 596356, 884252, 6410827, 12821654, 25643308]

約数ペア:

[(1, 25643308), (2, 12821654), (4, 6410827), (29, 884252), (43, 596356), (53, 483836), (58, 442126), (86, 298178), (97, 264364), (106, 241918), (116, 221063), (172, 149089), (194, 132182), (212, 120959), (388, 66091), (1247, 20564), (1537, 16684), (2279, 11252), (2494, 10282), (2813, 9116), (3074, 8342), (4171, 6148), (4558, 5626), (4988, 5141)]