25283321

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 31752192

約数和(自身を除く): 6468871

約数列:

[1, 7, 31, 37, 47, 67, 217, 259, 329, 469, 1147, 1457, 1739, 2077, 2479, 3149, 8029, 10199, 12173, 14539, 17353, 22043, 53909, 76849, 97619, 116513, 377363, 537943, 683333, 815591, 3611903, 25283321]

約数ペア:

[(1, 25283321), (7, 3611903), (31, 815591), (37, 683333), (47, 537943), (67, 377363), (217, 116513), (259, 97619), (329, 76849), (469, 53909), (1147, 22043), (1457, 17353), (1739, 14539), (2077, 12173), (2479, 10199), (3149, 8029)]