13398995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 17860608

約数和(自身を除く): 4461613

約数列:

[1, 5, 23, 37, 47, 67, 115, 185, 235, 335, 851, 1081, 1541, 1739, 2479, 3149, 4255, 5405, 7705, 8695, 12395, 15745, 39997, 57017, 72427, 116513, 199985, 285085, 362135, 582565, 2679799, 13398995]

約数ペア:

[(1, 13398995), (5, 2679799), (23, 582565), (37, 362135), (47, 285085), (67, 199985), (115, 116513), (185, 72427), (235, 57017), (335, 39997), (851, 15745), (1081, 12395), (1541, 8695), (1739, 7705), (2479, 5405), (3149, 4255)]