2688595

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 4193280

約数和(自身を除く): 1504685

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 311, 455, 665, 1235, 1555, 1729, 2177, 4043, 5909, 8645, 10885, 20215, 28301, 29545, 41363, 76817, 141505, 206815, 384085, 537719, 2688595]

約数ペア:

[(1, 2688595), (5, 537719), (7, 384085), (13, 206815), (19, 141505), (35, 76817), (65, 41363), (91, 29545), (95, 28301), (133, 20215), (247, 10885), (311, 8645), (455, 5909), (665, 4043), (1235, 2177), (1555, 1729)]