208811135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{709}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 283409280

約数和(自身を除く): 74598145

約数列:

[1, 5, 13, 23, 65, 115, 197, 299, 709, 985, 1495, 2561, 3545, 4531, 9217, 12805, 16307, 22655, 46085, 58903, 81535, 139673, 211991, 294515, 698365, 1059955, 1815749, 3212479, 9078745, 16062395, 41762227, 208811135]

約数ペア:

[(1, 208811135), (5, 41762227), (13, 16062395), (23, 9078745), (65, 3212479), (115, 1815749), (197, 1059955), (299, 698365), (709, 294515), (985, 211991), (1495, 139673), (2561, 81535), (3545, 58903), (4531, 46085), (9217, 22655), (12805, 16307)]