1640455005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{256121}}^1$

素因数の和:256197

約数の個数: 32

約数和(自身を含む): 3048876288

約数和(自身を除く): 1408421283

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 6405, 256121, 768363, 1280605, 1792847, 3841815, 5378541, 8964235, 15623381, 26892705, 46870143, 78116905, 109363667, 234350715, 328091001, 546818335, 1640455005]

約数ペア:

[(1, 1640455005), (3, 546818335), (5, 328091001), (7, 234350715), (15, 109363667), (21, 78116905), (35, 46870143), (61, 26892705), (105, 15623381), (183, 8964235), (305, 5378541), (427, 3841815), (915, 1792847), (1281, 1280605), (2135, 768363), (6405, 256121)]