51397812

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 137897760

約数和(自身を除く): 86499948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 163, 171, 228, 326, 342, 461, 489, 652, 684, 922, 978, 1383, 1467, 1844, 1956, 2766, 2934, 3097, 4149, 5532, 5868, 6194, 8298, 8759, 9291, 12388, 16596, 17518, 18582, 26277, 27873, 35036, 37164, 52554, 55746, 75143, 78831, 105108, 111492, 150286, 157662, 225429, 300572, 315324, 450858, 676287, 901716, 1352574, 1427717, 2705148, 2855434, 4283151, 5710868, 8566302, 12849453, 17132604, 25698906, 51397812]

約数ペア:

[(1, 51397812), (2, 25698906), (3, 17132604), (4, 12849453), (6, 8566302), (9, 5710868), (12, 4283151), (18, 2855434), (19, 2705148), (36, 1427717), (38, 1352574), (57, 901716), (76, 676287), (114, 450858), (163, 315324), (171, 300572), (228, 225429), (326, 157662), (342, 150286), (461, 111492), (489, 105108), (652, 78831), (684, 75143), (922, 55746), (978, 52554), (1383, 37164), (1467, 35036), (1844, 27873), (1956, 26277), (2766, 18582), (2934, 17518), (3097, 16596), (4149, 12388), (5532, 9291), (5868, 8759), (6194, 8298)]