259289905

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 361267200

約数和(自身を除く): 101977295

約数列:

[1, 5, 7, 35, 139, 223, 239, 695, 973, 1115, 1195, 1561, 1673, 4865, 7805, 8365, 30997, 33221, 53297, 154985, 166105, 216979, 232547, 266485, 373079, 1084895, 1162735, 1865395, 7408283, 37041415, 51857981, 259289905]

約数ペア:

[(1, 259289905), (5, 51857981), (7, 37041415), (35, 7408283), (139, 1865395), (223, 1162735), (239, 1084895), (695, 373079), (973, 266485), (1115, 232547), (1195, 216979), (1561, 166105), (1673, 154985), (4865, 53297), (7805, 33221), (8365, 30997)]