257291262

素因数分解:

$2^1\times 3^3\times {\mathrm{163}}^1\times {\mathrm{29231}}^1$

素因数の和:29405

約数の個数: 32

約数和(自身を含む): 575285760

約数和(自身を除く): 317994498

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 163, 326, 489, 978, 1467, 2934, 4401, 8802, 29231, 58462, 87693, 175386, 263079, 526158, 789237, 1578474, 4764653, 9529306, 14293959, 28587918, 42881877, 85763754, 128645631, 257291262]

約数ペア:

[(1, 257291262), (2, 128645631), (3, 85763754), (6, 42881877), (9, 28587918), (18, 14293959), (27, 9529306), (54, 4764653), (163, 1578474), (326, 789237), (489, 526158), (978, 263079), (1467, 175386), (2934, 87693), (4401, 58462), (8802, 29231)]