53661205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 72205056

約数和(自身を除く): 18543851

約数列:

[1, 5, 13, 43, 65, 73, 215, 263, 365, 559, 949, 1315, 2795, 3139, 3419, 4745, 11309, 15695, 17095, 19199, 40807, 56545, 95995, 147017, 204035, 249587, 735085, 825557, 1247935, 4127785, 10732241, 53661205]

約数ペア:

[(1, 53661205), (5, 10732241), (13, 4127785), (43, 1247935), (65, 825557), (73, 735085), (215, 249587), (263, 204035), (365, 147017), (559, 95995), (949, 56545), (1315, 40807), (2795, 19199), (3139, 17095), (3419, 15695), (4745, 11309)]