25254537

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 20364663

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 59, 77, 109, 119, 177, 187, 231, 327, 357, 413, 561, 649, 763, 1003, 1199, 1239, 1309, 1853, 1947, 2289, 3009, 3597, 3927, 4543, 5559, 6431, 7021, 8393, 11033, 12971, 13629, 19293, 20383, 21063, 25179, 33099, 38913, 45017, 61149, 70741, 77231, 109327, 135051, 142681, 212223, 231693, 327981, 428043, 495187, 765289, 1202597, 1485561, 2295867, 3607791, 8418179, 25254537]

約数ペア:

[(1, 25254537), (3, 8418179), (7, 3607791), (11, 2295867), (17, 1485561), (21, 1202597), (33, 765289), (51, 495187), (59, 428043), (77, 327981), (109, 231693), (119, 212223), (177, 142681), (187, 135051), (231, 109327), (327, 77231), (357, 70741), (413, 61149), (561, 45017), (649, 38913), (763, 33099), (1003, 25179), (1199, 21063), (1239, 20383), (1309, 19293), (1853, 13629), (1947, 12971), (2289, 11033), (3009, 8393), (3597, 7021), (3927, 6431), (4543, 5559)]