257156735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3371}}^1$

素因数の和:3479

約数の個数: 32

約数和(自身を含む): 359320320

約数和(自身を除く): 102163585

約数列:

[1, 5, 11, 19, 55, 73, 95, 209, 365, 803, 1045, 1387, 3371, 4015, 6935, 15257, 16855, 37081, 64049, 76285, 185405, 246083, 320245, 704539, 1230415, 2706913, 3522695, 4675577, 13534565, 23377885, 51431347, 257156735]

約数ペア:

[(1, 257156735), (5, 51431347), (11, 23377885), (19, 13534565), (55, 4675577), (73, 3522695), (95, 2706913), (209, 1230415), (365, 704539), (803, 320245), (1045, 246083), (1387, 185405), (3371, 76285), (4015, 64049), (6935, 37081), (15257, 16855)]